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DATA SHEET
Product specification
File under Integrated Circuits, IC11
1996 Jan 03
INTEGRATED CIRCUITS
UBA2000T
Electronic TL-lamp starter
1996 Jan 03
2
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
FEATURES
Electronic starter, fully compatible with conventional
glow-switch starters
Reliable and instant ignition
Accurate defined preheat time derived from the mains
frequency
Increased starter life since no mechanical parts are
used
No radio-interference (according to
"IEC926 10.5")
Automatic reset after interruption of supply voltage
Large operating temperature range:
-
40 to +85
C
Maximum current protection of the preheat current
Ignition shut-off at end of lamp life; no overheating of
load.
GENERAL DESCRIPTION
The UBA2000T is an integrated circuit for electronic
TL-lamp starters and is fully compatible with conventional
glow switch starters. The circuit controls the preheating
and ignition of the lamp. The preheat time is well defined
without spread, since it is derived from the mains
frequency. When the lamp fails, ignition is shut-off after 7
ignition attempts. The circuit has an automatic reset when
the supply voltage is interrupted.
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
UBA2000T
SO8
plastic small outline package; 8 leads; body width 3.9 mm
SOT96-1
1996 Jan 03
3
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MGE002
1 k
IC-SUPPLY
TIME
SELECT
EDGE
DETECTOR
CURRENT
DETECTOR
CURRENT
PROTECTION
OUTPUT
DRIVER
LATCH
DECODER 1
DECODER 2
NUMBER
OF STARTS
COUNTER
Vign
Vsense
Rsense
TEST
GND
VCC(rst)
Vout
VCC
Vsupply
Vin
COUNTER
4
3
8
2
1
6
RES
THS
UBA2000T
VOLTAGE
DETECTORS
1996 Jan 03
4
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
PINNING
SYMBOL
PIN
DESCRIPTION
V
sense
1
sense voltage
GND
2
ground (0 V)
V
out
3
output voltage
V
in
4
input voltage
n.c.
5
not connected
V
CC
6
supply voltage
n.c.
7
not connected
TEST
8
test pin
Fig.2 Pin configuration.
handbook, halfpage
1
2
3
4
8
7
6
5
MGE001
UBA2000T
TEST
n.c.
GND
VCC
n.c.
Vin
Vout
Vsense
FUNCTIONAL DESCRIPTION
The UBA2000T is an Integrated Circuit that performs all
functions necessary to ignite a TL-lamp. The circuit is
connected to the lamp circuit according to Figs. 7 or 8.
The mains voltage is rectified and divided over resistors
R1 and R2 to a lower level. When the mains power is
switched on, the buffer capacitor C1 is charged through
the resistive divider and internal switch S1. As long as the
supply voltage at the buffer capacitor (V
CC
, see
"Characteristics") is below the reset level (V
CC(rst)
),
the UBA2000T initializes its internal circuitry.
When V
CC
has reached the start level (V
CC(sl)
) and the
peak value of V
in
> V
ign
(indicating that the mains supply is
near its peak value), the external switching device TH1 will
be turned on. This results in a current through the
electrodes of the TL-lamp, the switching device and an
integrated sense resistor. Because the current starts to
flow when the mains voltage is near its peak value,
transient currents are limited.
When the switching device is turned on, the circuit draws
its supply current from buffer capacitor C1. A typical wave
shape of the voltage at pin 6 (V
CC
) is given in Fig.3. During
the preheat periods the buffer capacitor is discharged.
The rectified current through the sense resistor is detected
and the output signal of the detector is used as a clock
signal for the counter. The preheat time is defined to 1.52 s
(at 50 Hz mains supply) using this counter. The preheat
time is very accurate, since it only depends on the
frequency of the mains supply.
After preheating, the switching device is turned off when
the current through the internal sense resistor equals at
least 285 mA. As a result of the current interruption and the
presence of an inductive load, a voltage peak is generated
that will normally ignite the TL-lamp. After ignition, the
lamp voltage is lower than the mains voltage. An ignited
TL-lamp prevents the voltage at pin 6 (V
CC
) to exceed start
level. In Fig.3 the TL-lamp is ignited after two ignition
attempts.
Fig.3 Typical wave shape of supply voltage.
handbook, full pagewidth
MGE006
VCC(sl)
VCC
tprf
tini
tprn
first preheat
second
preheat
time
first
ignition
second
ignition
1996 Jan 03
5
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
During preheating, the integrated circuit draws its supply
current from the buffer capacitor. As a result, the voltage
over the buffer capacitor decreases. When the ignition has
failed after the ignition pulse, the voltage on the buffer
capacitor increases to start level and the external
switching device will be turned on again. This time the
preheat time is reduced to 0.64 seconds because the lamp
electrodes are still warm. An internal counter limits the
number of ignitions attempts to 7. This prevents the lamp
from flickering at end of lamp life.
The UBA2000T has an integrated current protection.
When the current through the sense resistor exceeds the
protection level (I
prot
), the switching device is turned off
and the circuit will enter a standby state. Switching the
mains voltage off and on again will reset the circuit.
The flow chart of the starting process is given in Fig.5.
In the following subsections the several blocks of the block
diagram are described in more detail.
IC supply
When the mains power is switched on, the buffer capacitor
is charged and the internal current source is started.
The internal voltage is stabilized, making it independent of
the voltage at the buffer capacitor. An internal zener diode
limits the voltage at pin 6 (V
CC
) to start level (V
CC(sl)
).
Voltage detectors
The voltage detectors measure the voltage on the buffer
capacitor and activate the switching device when the start
value (V
CC(sl)
) is reached. The time required to charge the
capacitor is the initial time (t
ini
, see also Fig.3).
This time depends on the value of C1, the IC current and
the source resistance at pin V
in
(R1//R2). When the mains
voltage is near its peak value, the switching device is
actually turned on. When the voltage decreases to a value
indicating that the mains supply is interrupted, the starter
is ready to start preheating and igniting the TL-lamp at the
moment the mains supply returns.
Latch
The internal state of the latch represents the state of the
switching device. The setting of the latch depends on the
outputs of the voltage detectors, the number of starts
counter and the standby state. Resetting the latch is
controlled by the timer, the current detector and the current
protection circuit.
Current detector
The current detector detects when the switching device
must be turned off. The current detector also generates the
clock pulses to activate the counter (see Fig.4). For proper
functioning, the preheat current should be within the range
indicated by I
pr
. By including an hysteresis, unwanted
current peaks on the preheat current have no effect on the
counter. Because the current detector has a low-pass
transfer function, it is not influenced by spikes. This
circuitry eliminates the effect of spikes on the preheat time.
Edge detector
The edge detector ensures that the switching device will
be turned off when the rectified preheat current is on the
negative-going edge.
Fig.4 Current detection.
handbook, full pagewidth
MGE007
hysteresis
Iso level
current through
sense resistor
clock signal
(fed to counter)
switch off level at end of preheat
clock generation during preheat
1996 Jan 03
6
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
Fig.5 Flow chart.
handbook, full pagewidth
MGE003
LOW VOLTAGE DETECTION
Start
charging of C1
S1 is closed
Enable reset
N = 1
CURRENT ALARM !!
Preheat
time
>
tprn
VCC
>
VCC(rst)
VCC
<
VCC(rst)
VCC
>
VCC(sl)
Vin
>
Vign
Disable reset
N: ignition attempt count
N
>
7
Open int. switches
Switch ext. switch on
1st start ?
(N = 1)
Isense falling edge ?
Isense = Iso
Close int. switches
Turn ext.switch off
(Generate voltage-peak
to ignite TL-lamp)
Standby state
N = N
+
1
Close int. switches
Close int. switches
Turn ext. switch off
(if it was on)
Turn ext. switch off
(if it was on)
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
no
no
no
no
no
Standby state
Preheat
time
>
tprf
Isense
>
Iprot
and t
>
td
yes
yes
no
no
no
Isense
>
Iprot
and t
>
td
The ext. switch is closed
when mains voltage is
near its peak value
1996 Jan 03
7
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
Counter
With the counter, which is supplied with pulses with twice
the frequency of the mains supply, the preheat time for the
first preheat and (if necessary) the next six preheats is
defined.
Time select
Depending on the state of the counter a long (t
prf
= 1.52 s)
or a short (t
prn
= 0.64 s) preheat time is selected.
Number of starts counter
The number of starts are counted by a counter. After seven
ignition attempts the IC is brought into standby state.
In standby state the supply current (I
CC
) is increased.
Due to the increased current, the buffer capacitor C1 will
discharge faster when the starter is disconnected from the
mains. This makes it possible to automatically reset the
starter the moment a malfunctioning tube is replaced by a
new one.
Current protection
When the current through the sense resistor exceeds its
limit (I
prot
), the switching device will be turned off. During
the first few periods of conduction, the current protection is
disabled (disable time t
d
) to ensure that transient currents
do not trigger the current protection. When the current has
exceeded its limit, the switching device is turned off and
the IC enters the standby state that prevents re-activating
the switching device. Only an interruption of the supply
voltage will reset the standby state.
Output driver
The output driver is capable of driving a low input current
trigger device as well as a device controlled by a gate.
During start-up the output is kept low to prevent turning on
the external switching device.
T
RIGGER DEVICE
A typical application that uses a low input current trigger
device (such as TN22) as switching device is given in
Fig.7. The resistive divider R1//R2 is not connected to
ground but to the gate of the trigger device.
This has a minimal effect on the voltage division ratio,
since the voltage at the gate of the trigger device is low.
The output driver generates the current pulse, which is
necessary to activate the external switching device TH1.
This current pulse is synchronized with the voltage at pin 4
(V
in
). The switching device is triggered when V
in
reaches
the V
ign
level. In that way the current through resistors R1
and R2 is a part of the current needed to activate the
switching device. If necessary, the current pulse is
delivered every half cycle of the mains voltage. When the
switching device must be turned off, the output driver is
capable of sinking the gate turn-off current of the switching
device.
It might be necessary to limit the current peaks, which flow
through the switching device at turn-on, resulting from
discharging the suppressor capacitor (C2). This can be
achieved using a resistor (R3).
G
ATE INPUT DEVICE
A typical application that uses a MOSFET is given in Fig.8.
In this circuit the resistive divider is connected to ground.
The output driver of the IC operates the same way as when
a trigger device is used. The output current pulse will
charge the gate of the MOSFET. As a result, the MOSFET
will be activated.
To keep the MOSFET conductive, a high ohmic pull-up
resistor is connected between the gate of the MOSFET
and the buffer capacitor C1. This is necessary, because
the output current is a pulse and not a continuous signal.
This pull-up resistor increases the current which is drawn
from the buffer capacitor. An internal zener diode in the IC
limits the voltage at the output (and thus at the gate of the
MOSFET) to a typical value of 6.8 V.
Both switching devices require the breakdown voltage
(V
(BR)AK
or V
(BR)DS
) to be larger than the ignition voltage of
the TL-lamp.
1996 Jan 03
8
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
Notes
1. This pin is connected to an internal zener diode (typical working voltage is 6.8 V).
2. This pin is connected to an internal zener diode (working voltage between 130 and 230 V).
The current entering this pin must be limited to <10 mA.
3. Inrush current, duration <2 ms.
QUALITY SPECIFICATION
In accordance with
"SNW-FQ-611-E" with the following exception: With respect to the integrated sense resistor a lifetime
of 60000 lamp starts (with max. 7 start attempts) at maximum preheat current level of 1.4 A (RMS) is guaranteed.
The number of the quality specification can be found in the
"Quality Reference Handbook". The handbook can be ordered
using the code 9397 750 00192.
THERMAL CHARACTERISTICS
CHARACTERISTICS
T
amb
= 25
C; all voltages referenced to GND; see application diagrams (Figs. 7 and 8); V
mains
= 220 V, 50 Hz; N is the
number of ignition attempts; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
out
output voltage
note 1
-
6
V
V
in
input voltage
note 2
-
125
V
V
TEST
voltage at test pin
-
6
V
I
sense
current through sense resistor
note 3
-
6
A
P
tot
total power dissipation
-
395
mW
T
stg
storage temperature
non-operating
-
55
150
C
T
amb
ambient temperature
operating
-
40
85
C
SYMBOL
PARAMETER
VALUE
UNIT
R
th j-a
thermal resistance from junction to ambient in free air
160
K/W
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
IC voltages
V
CC(sl)
supply voltage start level
40
44
49
V
V
CC(rst)
supply voltage reset level
-
-
9
V
V
ign
ignition voltage
striking switching device
67
-
97
V
Lamp voltages
V
lamp
TL-lamp voltage
50
-
140
V
Supply current
I
CC
supply current
V
CC
= 30 V; note 1
-
32
42
A
after 7
th
start attempt;
V
CC
= 30 V
-
145
-
A
I
c
control current
note 2
-
170
-
A
1996 Jan 03
9
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
Output stage
I
source
peak source current
(pulse shape Fig.6)
V
out
< 2 V; striking
switching device
1.5
-
10
mA
I
sink
output sink current
V
out
= 0.8 V
50
-
-
mA
t
W
pulse width
V
CC
= 30 V
5
-
-
s
Q
p
pulse charge
V
CC
= 30 V; note 3
21
-
-
nC
V
out
output voltage
I
sink
= 0.5 mA; driving gate
device in preheat mode
-
6.8
-
V
Timing
t
prf
preheat time (first)
N = 1; note 4
-
1.52
-
s
t
prn
preheat time (next)
2
N
7; note 5
-
0.64
-
s
t
ini
initial time
-
125
-
ms
Current protection
I
prot(m)
current protection level (peak value)
2.2
3.4
-
A
t
d
delay time before current protection is
enabled
note 6
-
70
-
ms
Sense resistor
R
sense
internal sense resistor
note 7
-
26
-
m
Preheat current
I
pr(rms)
preheat current (RMS value)
note 8
0.33
-
1.4
A
Switching off current
I
so
preheat current level at the moment it
is switched off
note 9
285
380
475
mA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Notes
1. When the switching device is triggered, I
CC
= I
source
.
2. This is the active current when the lamp is lit.
The given value is valid for V
lamp
= 115 V. The total
current at V
in
equals: I
in
= I
CC
+ I
c
(leakage currents
are neglected).
3. Q
p
= I
source
t
p
.
4. Time is derived from the mains frequency; division
factor equals 76.
5. Time is derived from the mains frequency; division
factor equals 32.
6. The delay time is set by a clock signal, which is derived
from the current through the sense resistor. Due to
inrush transients of the preheat current, variation of t
d
is possible.
7. This is the resistance of the internal sense circuit
(excluding the bonding wires).
8. To guarantee good functioning, a crest factor of at
least 1.5 is needed at low currents.
9. When the holding current of TH1 is lower than I
so
, TH1
is switched off at the holding current (in case of a
trigger device).
Fig.6 Pulse shape (typical value).
handbook, halfpage
MGE008
Isource
(mA)
3
tw = 7
s
1996 Jan 03
10
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
APPLICATION INFORMATION
Fig.7 Application diagram (with trigger device).
handbook, full pagewidth
100
5.6 nF
3.3
F
Vlamp
Vin
Vout
Vsense
VCC
ICC
Ic
TL-
LAMP
load
C
0.6 to 2 H
mains
supply
CIRCUIT
S2
D0
S1
GND
6
4
3
C1
1
2
UBA2000T
R3
100 k
R1
62
k
R2
C2
TH1
(i.e. TN22)
MGE004
1996 Jan 03
11
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
Fig.8 Application diagram (with MOSFET device).
handbook, full pagewidth
5.6 nF
3.3
F
Vlamp
Vin
Vout
Vsense
VCC
ICC
Ic
TL-
LAMP
load
C
0.6 to 2 H
mains
supply
CIRCUIT
S2
S1
GND
6
4
3
C1
1
2
UBA2000T
100
k
R1
1 M
R3
62
k
R2
C2
MOSFET
MGE005
1996 Jan 03
12
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
PACKAGE OUTLINE
UNIT
A
max.
A
1
A
2
A
3
b
p
c
D
(1)
E
(2)
(1)
e
H
E
L
L
p
Q
Z
y
w
v
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
JEDEC
EIAJ
mm
inches
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
5.0
4.8
4.0
3.8
1.27
6.2
5.8
1.05
0.7
0.6
0.7
0.3
8
0
o
o
0.25
0.1
0.25
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
1.0
0.4
SOT96-1
X
w
M
A
A
1
A
2
b
p
D
H
E
L
p
Q
detail X
E
Z
e
c
L
v
M
A
(A )
3
A
4
5
pin 1 index
1
8
y
076E03S
MS-012AA
0.069
0.010
0.004
0.057
0.049
0.01
0.019
0.014
0.0100
0.0075
0.20
0.19
0.16
0.15
0.050
0.244
0.228
0.028
0.024
0.028
0.012
0.01
0.01
0.041
0.004
0.039
0.016
0
2.5
5 mm
scale
SO8: plastic small outline package; 8 leads; body width 3.9 mm
SOT96-1
95-02-04
97-05-22
1996 Jan 03
13
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
SOLDERING
Introduction
There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
situations reflow soldering is often used.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our
"IC Package Databook" (order code 9398 652 90011).
Reflow soldering
Reflow soldering techniques are suitable for all SO
packages.
Reflow soldering requires solder paste (a suspension of
fine solder particles, flux and binding agent) to be applied
to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement.
Several techniques exist for reflowing; for example,
thermal conduction by heated belt. Dwell times vary
between 50 and 300 seconds depending on heating
method. Typical reflow temperatures range from
215 to 250
C.
Preheating is necessary to dry the paste and evaporate
the binding agent. Preheating duration: 45 minutes at
45
C.
Wave soldering
Wave soldering techniques can be used for all SO
packages if the following conditions are observed:
A double-wave (a turbulent wave with high upward
pressure followed by a smooth laminar wave) soldering
technique should be used.
The longitudinal axis of the package footprint must be
parallel to the solder flow.
The package footprint must incorporate solder thieves at
the downstream end.
During placement and before soldering, the package must
be fixed with a droplet of adhesive. The adhesive can be
applied by screen printing, pin transfer or syringe
dispensing. The package can be soldered after the
adhesive is cured.
Maximum permissible solder temperature is 260
C, and
maximum duration of package immersion in solder is
10 seconds, if cooled to less than 150
C within
6 seconds. Typical dwell time is 4 seconds at 250
C.
A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.
Repairing soldered joints
Fix the component by first soldering two diagonally-
opposite end leads. Use only a low voltage soldering iron
(less than 24 V) applied to the flat part of the lead. Contact
time must be limited to 10 seconds at up to 300
C. When
using a dedicated tool, all other leads can be soldered in
one operation within 2 to 5 seconds between
270 and 320
C.
1996 Jan 03
14
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
DEFINITIONS
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
1996 Jan 03
15
Philips Semiconductors
Product specification
Electronic TL-lamp starter
UBA2000T
NOTES
Philips Semiconductors a worldwide company
Argentina: IEROD, Av. Juramento 1992 - 14.b, (1428)
BUENOS AIRES, Tel. (541)786 7633, Fax. (541)786 9367
Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113,
Tel. (02)805 4455, Fax. (02)805 4466
Austria: Triester Str. 64, A-1101 WIEN, P.O. Box 213,
Tel. (01)60 101-1236, Fax. (01)60 101-1211
Belgium: Postbus 90050, 5600 PB EINDHOVEN, The Netherlands,
Tel. (31)40-2783749, Fax. (31)40-2788399
Brazil: Rua do Rocio 220 - 5
th
floor, Suite 51,
CEP: 04552-903-SO PAULO-SP, Brazil,
P.O. Box 7383 (01064-970),
Tel. (011)821-2333, Fax. (011)829-1849
Canada: PHILIPS SEMICONDUCTORS/COMPONENTS:
Tel. (800) 234-7381, Fax. (708) 296-8556
Chile: Av. Santa Maria 0760, SANTIAGO,
Tel. (02)773 816, Fax. (02)777 6730
China/Hong Kong: 501 Hong Kong Industrial Technology Centre,
72 Tat Chee Avenue, Kowloon Tong, HONG KONG,
Tel. (852)2319 7888, Fax. (852)2319 7700
Colombia: IPRELENSO LTDA, Carrera 21 No. 56-17,
77621 BOGOTA, Tel. (571)249 7624/(571)217 4609,
Fax. (571)217 4549
Denmark: Prags Boulevard 80, PB 1919, DK-2300
COPENHAGEN S, Tel. (45)32 88 26 36, Fax. (45)31 57 19 49
Finland: Sinikalliontie 3, FIN-02630 ESPOO,
Tel. (358)0-615 800, Fax. (358)0-61580 920
France: 4 Rue du Port-aux-Vins, BP317,
92156 SURESNES Cedex,
Tel. (01)4099 6161, Fax. (01)4099 6427
Germany: P.O. Box 10 51 40, 20035 HAMBURG,
Tel. (040)23 53 60, Fax. (040)23 53 63 00
Greece: No. 15, 25th March Street, GR 17778 TAVROS,
Tel. (01)4894 339/4894 911, Fax. (01)4814 240
India: Philips INDIA Ltd, Shivsagar Estate, A Block,
Dr. Annie Besant Rd. Worli, Bombay 400 018
Tel. (022)4938 541, Fax. (022)4938 722
Indonesia: Philips House, Jalan H.R. Rasuna Said Kav. 3-4,
P.O. Box 4252, JAKARTA 12950,
Tel. (021)5201 122, Fax. (021)5205 189
Ireland: Newstead, Clonskeagh, DUBLIN 14,
Tel. (01)7640 000, Fax. (01)7640 200
Italy: PHILIPS SEMICONDUCTORS S.r.l.,
Piazza IV Novembre 3, 20124 MILANO,
Tel. (0039)2 6752 2531, Fax. (0039)2 6752 2557
Japan: Philips Bldg 13-37, Kohnan 2 -chome, Minato-ku, TOKYO 108,
Tel. (03)3740 5130, Fax. (03)3740 5077
Korea: Philips House, 260-199 Itaewon-dong,
Yongsan-ku, SEOUL, Tel. (02)709-1412, Fax. (02)709-1415
Malaysia: No. 76 Jalan Universiti, 46200 PETALING JAYA,
SELANGOR, Tel. (03)750 5214, Fax. (03)757 4880
Mexico: 5900 Gateway East, Suite 200, EL PASO, TX 79905,
Tel. 9-5(800)234-7381, Fax. (708)296-8556
Netherlands: Postbus 90050, 5600 PB EINDHOVEN, Bldg. VB,
Tel. (040)2783749, Fax. (040)2788399
New Zealand: 2 Wagener Place, C.P.O. Box 1041, AUCKLAND,
Tel. (09)849-4160, Fax. (09)849-7811
Norway: Box 1, Manglerud 0612, OSLO,
Tel. (022)74 8000, Fax. (022)74 8341
Pakistan: Philips Electrical Industries of Pakistan Ltd.,
Exchange Bldg. ST-2/A, Block 9, KDA Scheme 5, Clifton,
KARACHI 75600, Tel. (021)587 4641-49,
Fax. (021)577035/5874546
Philippines: PHILIPS SEMICONDUCTORS PHILIPPINES Inc.,
106 Valero St. Salcedo Village, P.O. Box 2108 MCC, MAKATI,
Metro MANILA, Tel. (63) 2 816 6380, Fax. (63) 2 817 3474
Portugal: PHILIPS PORTUGUESA, S.A.,
Rua dr. Antnio Loureiro Borges 5, Arquiparque - Miraflores,
Apartado 300, 2795 LINDA-A-VELHA,
Tel. (01)4163160/4163333, Fax. (01)4163174/4163366
Singapore: Lorong 1, Toa Payoh, SINGAPORE 1231,
Tel. (65)350 2000, Fax. (65)251 6500
South Africa: S.A. PHILIPS Pty Ltd.,
195-215 Main Road Martindale, 2092 JOHANNESBURG,
P.O. Box 7430, Johannesburg 2000,
Tel. (011)470-5911, Fax. (011)470-5494
Spain: Balmes 22, 08007 BARCELONA,
Tel. (03)301 6312, Fax. (03)301 42 43
Sweden: Kottbygatan 7, Akalla. S-164 85 STOCKHOLM,
Tel. (0)8-632 2000, Fax. (0)8-632 2745
Switzerland: Allmendstrasse 140, CH-8027 ZRICH,
Tel. (01)488 2211, Fax. (01)481 77 30
Taiwan: PHILIPS TAIWAN Ltd., 23-30F, 66, Chung Hsiao West
Road, Sec. 1. Taipeh, Taiwan ROC, P.O. Box 22978,
TAIPEI 100, Tel. (886) 2 382 4443, Fax. (886) 2 382 4444
Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd.,
209/2 Sanpavuth-Bangna Road Prakanong,
Bangkok 10260, THAILAND,
Tel. (66) 2 745-4090, Fax. (66) 2 398-0793
Turkey: Talatpasa Cad. No. 5, 80640 GLTEPE/ISTANBUL,
Tel. (0 212)279 27 70, Fax. (0212)282 67 07
Ukraine: Philips UKRAINE, 2A Akademika Koroleva str., Office 165,
252148 KIEV, Tel. 380-44-4760297, Fax. 380-44-4766991
United Kingdom: Philips Semiconductors LTD.,
276 Bath Road, Hayes, MIDDLESEX UB3 5BX,
Tel. (0181)730-5000, Fax. (0181)754-8421
United States: 811 East Arques Avenue, SUNNYVALE,
CA 94088-3409, Tel. (800)234-7381, Fax. (708)296-8556
Uruguay: Coronel Mora 433, MONTEVIDEO,
Tel. (02)70-4044, Fax. (02)92 0601
Internet: http://www.semiconductors.philips.com/ps/
For all other countries apply to: Philips Semiconductors,
International Marketing and Sales, Building BE-p,
P.O. Box 218, 5600 MD EINDHOVEN, The Netherlands,
Telex 35000 phtcnl, Fax. +31-40-2724825
SCDS47
Philips Electronics N.V. 1996
All rights are reserved. Reproduction in whole or in part is prohibited without the
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Printed in The Netherlands
297021/1100/01/pp16
Date of release: 1996 Jan 03
Document order number:
9397 750 00547