DATA SHEET
Product specification
Supersedes data of September 1993
File under Integrated Circuits, IC06
1998 Jul 08
INTEGRATED CIRCUITS
74HC/HCT123
Dual retriggerable monostable
multivibrator with reset
For a complete data sheet, please also download:
The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
1998 Jul 08
2
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
FEATURES
DC triggered from active HIGH or
active LOW inputs
Retriggerable for very long pulses
up to 100% duty factor
Direct reset terminates output
pulse
Schmitt-trigger action on all inputs
except for the reset input
Output capability: standard (except
for nR
EXT
/C
EXT
)
I
CC
category: MSI
GENERAL DESCRIPTION
The 74HC/HCT123 are high-speed
Si-gate CMOS devices and are pin
compatible with low power Schottky
TTL (LSTTL). They are specified in
compliance with JEDEC standard no.
7A.
The 74HC/HCT123 are dual
retriggerable monostable
multivibrators with output pulse width
control by three methods. The basic
pulse time is programmed by
selection of an external resistor
(R
EXT
) and capacitor (C
EXT
). The
external resistor and capacitor are
normally connected as shown in
Fig.6.
Once triggered, the basic output
pulse width may be extended by
retriggering the gated active
LOW-going edge input (nA) or the
active HIGH-going edge input (nB).
By repeating this process, the output
pulse period (nQ = HIGH, nQ = LOW)
can be made as long as desired.
Alternatively an output delay can be
terminated at any time by a
LOW-going edge on input nR
D
, which
also inhibits the triggering.
An internal connection from nR
D
to
the input gates makes it possible to
trigger the circuit by a positive-going
signal at input nR
D
as shown in the
function table. Figures 7 and 8
illustrate pulse control by retriggering
and early reset. The basic output
pulse width is essentially determined
by the values of the external timing
components R
EXT
and C
EXT
. For
pulse widths, when C
EXT
<
10 000 pF,
see Fig.9.
When C
EXT
>
10 000 pF, the typical
output pulse width is defined as:
t
W
= 0.45
R
EXT
C
EXT
(typ.),
where:
t
W
= pulse width in ns;
R
EXT
= external resistor in k
;
C
EXT
= external capacitor in pF.
Schmitt-trigger action in the nA and
nB inputs, makes the circuit highly
tolerant to slower input rise and fall
times.
The `123' is identical to the `423' but
can be triggered via the reset input.
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
C; t
r
= t
f
= 6 ns
Notes
1. C
PD
is used to determine the dynamic power dissipation (P
D
in
W):
P
D
= C
PD
V
CC
2
f
i
+
(C
L
V
CC
2
f
o
) + 0.75
C
EXT
V
CC
2
f
o
+
D
16
V
CC
where:
f
i
= input frequency in MHz
f
o
= output frequency in MHz
D = duty factor in %
C
L
= output load capacitance in pF
V
CC
= supply voltage in V
C
EXT
= timing capacitance in pF
(C
L
V
CC
2
f
o
) sum of outputs
2. For HC the condition is V
I
= GND to V
CC
For HCT the condition is V
I
= GND to V
CC
-
1.5 V
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC
HCT
t
PHL
/ t
PLH
propagation delay
C
L
= 15 pF;
V
CC
= 5 V;
R
EXT
= 5 k
;
C
EXT
= 0 pF
nA, nB to nQ, nQ
26
26
ns
nR
D
to nQ, nQ
20
23
ns
C
I
input capacitance
3.5
3.5
pF
C
PD
power dissipation
capacitance per
monostable
notes 1 and 2
54
56
pF
1998 Jul 08
3
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
ORDERING INFORMATION
PIN DESCRIPTION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
74HC123N;
74HCT123N
DIP16
plastic dual in-line package; 16 leads (300 mil); long body
SOT38-1
74HC123D;
74HCT123D
SO16
plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
74HC123DB;
74HCT123DB
SSOP16
plastic shrink small outline package; 16 leads; body width 5.3 mm
SOT338-1
74HC123PW;
74HCT123PW
TSSOP16
plastic thin shrink small outline package; 16 leads; body width 4.4 mm
SOT403-1
PIN NO.
SYMBOL
NAME AND FUNCTION
1, 9
1A, 2A
trigger inputs (negative-edge triggered)
2, 10
1B, 2B
trigger inputs (positive-edge triggered)
3, 11
1R
D
, 2R
D
direct reset LOW and trigger action at positive edge
4, 12
1Q, 2Q
outputs (active LOW)
7
2R
EXT
/C
EXT
external resistor/capacitor connection
8
GND
ground (0 V)
13, 5
1Q, 2Q
outputs (active HIGH)
14, 6
1C
EXT
, 2C
EXT
external capacitor connection
15
1R
EXT
/C
EXT
external resistor/capacitor connection
16
V
CC
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
1998 Jul 08
4
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
Fig.4 Functional diagram.
FUNCTION TABLE
Note
1. If the monostable was triggered
before this condition was
established, the pulse will
continue as programmed.
INPUTS
OUTPUTS
nR
D
nA
nB
nQ
nQ
L
X
X
L
H
X
H
X
L
(1)
H
(1)
X
X
L
L
(1)
H
(1)
H
L
H
H
L
H
H
= HIGH voltage level
L
= LOW voltage level
X
= don't care
= LOW-to-HIGH transition
= HIGH-to-LOW transition
= one HIGH level output pulse
= one LOW level output pulse
Fig.5 Logic diagram.
(1) For minimum noise generation,
it is recommended to ground pins 6 (2C
EXT
)
and 14 (1C
EXT
) externally to pin 8 (GND).
1998 Jul 08
5
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
"74HC/HCT/HCU/HCMOS Logic Family Specifications"
.
Output capability: standard (except for nR
EXT
/C
EXT
)
I
CC
category: MSI
Fig.6 Timing component connections.
1998 Jul 08
6
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(
C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS/
NOTES
+25
-
40 to +85
-
40 to +125
min. typ. max. min.
max.
min.
max.
t
PLH
propagation delay
nR
D
, nA, nB to nQ
83
30
24
255
51
43
320
64
54
385
77
65
ns
2.0
4.5
6.0
C
EXT
= 0 pF;
R
EXT
= 5 k
t
PLH
propagation delay
nR
D
, nA, nB to nQ
83
30
24
255
51
43
320
64
54
385
77
65
ns
2.0
4.5
6.0
C
EXT
= 0 pF;
R
EXT
= 5 k
t
PHL
propagation delay
nR
D
to nQ (reset)
66
24
19
215
43
37
270
54
46
325
65
55
ns
2.0
4.5
6.0
C
EXT
= 0 pF;
R
EXT
= 5 k
t
PLH
propagation delay
nR
D
to nQ (reset)
66
24
19
215
43
37
270
54
46
325
65
55
ns
2.0
4.5
6.0
C
EXT
= 0 pF;
R
EXT
= 5 k
t
THL
/ t
TLH
output transition
time
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
t
W
trigger pulse width
nA = LOW
100
20
17
8
3
2
125
25
21
150
30
26
ns
2.0
4.5
6.0
Fig.7
t
W
trigger pulse width
nB = HIGH
100
20
17
17
6
5
125
25
21
150
30
26
ns
2.0
4.5
6.0
Fig.7
t
W
reset pulse width
nR
D
= LOW
100
20
17
14
5
4
125
25
21
150
30
26
ns
2.0
4.5
6.0
Fig.8
t
W
output pulse width
nQ = HIGH
nQ = LOW
450
-
-
s
5.0
C
EXT
= 100 nF;
R
EXT
= 10 k
;
Figs 7 and 8
t
W
output pulse width
nQ = HIGH
nQ = LOW
75
-
-
ns
5.0
C
EXT
= 0 pF;
R
EXT
= 5 k
;
note 1; Figs 7 and 8
t
rt
retrigger time
nA, nB
110
-
-
ns
5.0
C
EXT
= 0 pF;
R
EXT
= 5 k
;
note 2; Fig.7
R
EXT
external timing
resistor
10
2
1000
1000
-
-
k
2.0
5.0
Fig.9
C
EXT
external timing
capacitor
no limits
pF
5.0
Fig.9; note 3
1998 Jul 08
7
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
"74HC/HCT/HCU/HCMOS Logic Family Specifications"
.
Output capability: standard (except for nR
EXT
/ C
EXT
)
I
CC
category: MSI
Note to HCT types
The value of additional quiescent supply current (
I
CC
) for a unit load of 1 is given in the family specifications.
To determine
I
CC
per input, multiply this value by the unit load coefficient shown in the table below.
INPUT
UNIT LOAD COEFFICIENT
nA, nB
0.35
nR
D
0.50
1998 Jul 08
8
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
WAVEFORMS/
NOTES
+25
-
40 to +85
-
40 to +125
min. typ. max. min. max.
min.
max.
t
PHL
propagation delay
nR
D
, nA, nB to nQ
30
51
64
77
ns
4.5
C
EXT
= 0 pF;
R
EXT
= 5 k
t
PLH
propagation delay
nR
D
, nA, nB to nQ
28
51
64
77
ns
4.5
C
EXT
= 0 pF;
R
EXT
= 5 k
t
PHL
propagation delay
nR
D
to nQ (reset)
27
46
58
69
ns
4.5
C
EXT
= 0 pF;
R
EXT
= 5 k
t
PLH
propagation delay
nR
D
to nQ (reset)
23
46
58
69
ns
4.5
C
EXT
= 0 pF;
R
EXT
= 5 k
t
THL
/ t
TLH
output transition time
7
15
19
22
ns
4.5
t
W
trigger pulse width
nA = LOW
20
3
25
30
ns
4.5
Fig.7
t
W
trigger pulse width
nB = HIGH
20
5
25
30
ns
4.5
Fig.7
t
W
reset pulse width
nR
D
= LOW
20
7
25
30
ns
4.5
Fig.8
t
W
output pulse width
nQ = HIGH
nQ = LOW
450
-
-
s
5.0
C
EXT
= 100 nF;
R
EXT
= 10 k
;
Figs 7 and 8
t
W
output pulse width
nQ = HIGH
nQ = LOW
75
-
-
ns
5.0
C
EXT
= 0 pF;
R
EXT
= 5 k
;
note 1; Figs 7 and 8
t
rt
retrigger time
nA, nB
110
-
-
ns
5.0
C
EXT
= 0 pF;
R
EXT
= 5 k
;
note 2; Fig.7
R
EXT
external timing
resistor
2
1000
-
-
k
5.0
Fig.9
C
EXT
external timing
capacitor
no limits
pF
5.0
Fig.9; note 3
1998 Jul 08
9
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
Notes to AC characteristics
1. For other R
EXT
and C
EXT
combinations see Fig.9.
If C
EXT
>
10 nF, the next formula is valid:
t
W
= K
R
EXT
C
EXT
(typ.)
where: t
W
= output pulse width in ns;
R
EXT
= external resistor in k
; C
EXT
= external capacitor in pF;
K
= constant = 0.55 for V
CC
= 5.0 V and 0.48 for V
CC
= 2.0 V.
The inherent test jig and pin capacitance at pins 15 and 7 (nR
EXT
/ C
EXT
) is approximately 7 pF.
2. The time to retrigger the monostable multivibrator depends on the values of R
EXT
and C
EXT
.
The output pulse width will only be extended when the time between the active-going edges of the trigger input pulses
meets the minimum retrigger time.
If C
EXT
>
10 pF, the next formula (at V
CC
= 5.0 V) for the set-up time of a retrigger pulse is valid:
t
rt
= 30 + 0.19
R
EXT
C
EXT
0.9
+ 13
R
EXT
1.05
(typ.)
where:
t
rt
= retrigger time in ns;
C
EXT
= external capacitor in pF;
R
EXT
= external resistor in k
.
The inherent test jig and pin capacitance at pins 15 and 7 (nR
EXT
/ C
EXT
) is 7 pF.
3. When the device is powered-up, initiate the device via a reset pulse, when C
EXT
<
50 pF.
1998 Jul 08
10
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
AC WAVEFORMS
Fig.7
Output pulse control using retrigger pulse;
nR
D
= HIGH.
Fig.8
Output pulse control using reset input in nR
D
;
nA = LOW.
Fig.9
Typical output pulse width as a function of the
external capacitor values at V
CC
= 5.0 V and
T
amb
= 25
C.
Fig.10 HCT typical "k" factor as a function of V
CC
;
C
X
= 10 nF; R
X
= 10 k
to 100 k
.
1998 Jul 08
11
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
APPLICATION INFORMATION
Power-up considerations
When the monostable is powered-up it may produce an
output pulse, with a pulse width defined by the values of R
X
and C
X
, this output pulse can be eliminated using the
circuit shown in Fig.11.
Power-down considerations
A large capacitor (C
X
) may cause problems when
powering-down the monostable due to the energy stored
in this capacitor. When a system containing this device is
powered-down or a rapid decrease of V
CC
to zero occurs,
the monostable may substain damage, due to the
capacitor discharging through the input protection diodes.
To avoid this possibility, use a damping diode (D
X
)
preferably a germanium or Schottky type diode able to
withstand large current surges and connect as shown in
Fig.12
Fig.11 Power-up output pulse elimination circuit.
Fig.12 Power-down protection circuit.
1998 Jul 08
12
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
PACKAGE OUTLINES
UNIT
A
max.
1
2
b
1
c
E
e
M
H
L
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
JEDEC
EIAJ
mm
inches
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
SOT38-1
92-10-02
95-01-19
A
min.
A
max.
b
max.
w
M
E
e
1
1.40
1.14
0.055
0.045
0.53
0.38
0.32
0.23
21.8
21.4
0.86
0.84
6.48
6.20
0.26
0.24
3.9
3.4
0.15
0.13
0.254
2.54
7.62
0.30
8.25
7.80
0.32
0.31
9.5
8.3
0.37
0.33
2.2
0.087
4.7
0.51
3.7
0.15
0.021
0.015
0.013
0.009
0.01
0.10
0.020
0.19
050G09
MO-001AE
M
H
c
(e )
1
M
E
A
L
seating plane
A
1
w
M
b
1
e
D
A
2
Z
16
1
9
8
b
E
pin 1 index
0
5
10 mm
scale
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
(1)
(1)
D
(1)
Z
DIP16: plastic dual in-line package; 16 leads (300 mil); long body
SOT38-1
1998 Jul 08
13
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
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
8
9
1
16
y
pin 1 index
UNIT
A
max.
A
1
A
2
A
3
b
p
c
D
(1)
E
(1)
(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
10.0
9.8
4.0
3.8
1.27
6.2
5.8
0.7
0.6
0.7
0.3
8
0
o
o
0.25
0.1
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
Note
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
1.0
0.4
SOT109-1
95-01-23
97-05-22
076E07S
MS-012AC
0.069
0.010
0.004
0.057
0.049
0.01
0.019
0.014
0.0100
0.0075
0.39
0.38
0.16
0.15
0.050
1.05
0.041
0.244
0.228
0.028
0.020
0.028
0.012
0.01
0.25
0.01
0.004
0.039
0.016
0
2.5
5 mm
scale
SO16: plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
1998 Jul 08
14
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
UNIT
A
1
A
2
A
3
b
p
c
D
(1)
E
(1)
e
H
E
L
L
p
Q
Z
y
w
v
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
JEDEC
EIAJ
mm
0.21
0.05
1.80
1.65
0.25
0.38
0.25
0.20
0.09
6.4
6.0
5.4
5.2
0.65
1.25
7.9
7.6
1.03
0.63
0.9
0.7
1.00
0.55
8
0
o
o
0.13
0.2
0.1
DIMENSIONS (mm are the original dimensions)
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
SOT338-1
94-01-14
95-02-04
(1)
w
M
b
p
D
H
E
E
Z
e
c
v
M
A
X
A
y
1
8
16
9
A
A
1
A
2
L
p
Q
detail X
L
(A )
3
MO-150AC
pin 1 index
0
2.5
5 mm
scale
SSOP16: plastic shrink small outline package; 16 leads; body width 5.3 mm
SOT338-1
A
max.
2.0
1998 Jul 08
15
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
UNIT
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
0.15
0.05
0.95
0.80
0.30
0.19
0.2
0.1
5.1
4.9
4.5
4.3
0.65
6.6
6.2
0.4
0.3
0.40
0.06
8
0
o
o
0.13
0.1
0.2
1.0
DIMENSIONS (mm are the original dimensions)
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.
0.75
0.50
SOT403-1
MO-153
94-07-12
95-04-04
w
M
b
p
D
Z
e
0.25
1
8
16
9
A
A
1
A
2
L
p
Q
detail X
L
(A )
3
H
E
E
c
v
M
A
X
A
y
0
2.5
5 mm
scale
TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4.4 mm
SOT403-1
A
max.
1.10
pin 1 index
1998 Jul 08
16
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
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
"Data Handbook IC26; Integrated Circuit Packages"
(order code 9398 652 90011).
DIP
S
OLDERING BY DIPPING OR BY WAVE
The maximum permissible temperature of the solder is
260
C; solder at this temperature must not be in contact
with the joint for more than 5 seconds. The total contact
time of successive solder waves must not exceed
5 seconds.
The device may be mounted up to the seating plane, but
the temperature of the plastic body must not exceed the
specified maximum storage temperature (T
stg max
). If the
printed-circuit board has been pre-heated, forced cooling
may be necessary immediately after soldering to keep the
temperature within the permissible limit.
R
EPAIRING SOLDERED JOINTS
Apply a low voltage soldering iron (less than 24 V) to the
lead(s) of the package, below the seating plane or not
more than 2 mm above it. If the temperature of the
soldering iron bit is less than 300
C it may remain in
contact for up to 10 seconds. If the bit temperature is
between 300 and 400
C, contact may be up to 5 seconds.
SO, SSOP and TSSOP
R
EFLOW SOLDERING
Reflow soldering techniques are suitable for all SO, SSOP
and TSSOP 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.
W
AVE SOLDERING
Wave soldering can be used for all SO packages. Wave
soldering is not recommended for SSOP and TSSOP
packages, because of the likelihood of solder bridging due
to closely-spaced leads and the possibility of incomplete
solder penetration in multi-lead devices.
If wave soldering is used - and cannot be avoided for
SSOP and TSSOP packages - the following conditions
must be 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 and must incorporate solder
thieves at the downstream end.
Even with these conditions:
Only consider wave soldering SSOP packages that
have a body width of 4.4 mm, that is
SSOP16 (SOT369-1) or SSOP20 (SOT266-1).
Do not consider wave soldering TSSOP packages
with 48 leads or more, that is TSSOP48 (SOT362-1)
and TSSOP56 (SOT364-1).
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.
1998 Jul 08
17
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT123
R
EPAIRING 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.
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.
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