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Электронный компонент: N74F537N

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Philips Semiconductors
Product specification
74F537
1-of-10 decoder (3-State)
1
1989 Jan 20
8530873 95586
DESCRIPTION
The 74F537 is a one-of-ten decoder/demultiplexer with four active
High BCD inputs and ten mutually exclusive outputs. A Polarity
control (P) input determines whether the outputs are active Low or
active High. The 74F537 has 3-State outputs and a High signal on
the Output Enables (OE) input forces all outputs to the high
impedance state. Two input Enables, active High (E1) and active
Low (E0), are available for demultiplexing data to the selected
output in either non-inverted or inverted form. Input codes greater
than BCD nine causes all outputs to go to the inactive state (i.e.,
same polarity as the P input).
TYPE
TYPICAL
PROPAGATION DELAY
TYPICAL SUPPLY
CURRENT
(TOTAL)
74F537
9ns
44mA
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
V
CC
= 5V
10%, T
amb
= 0
C to +70
C
20-Pin Plastic DIP
N74F537N
20-Pin Plastic SOL
N74F537D
PIN CONFIGURATION
20
19
18
17
16
15
14
13
12
10
11
9
8
7
6
5
4
3
2
1
VCC
Q3
Q4
A3
Q9
Q8
Q7
Q2
Q1
Q0
A0
A1
Q5
Q6
GND
E0
E1
OE
P
SF01004
A2
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F(U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
A0 - A3
Data inputs
1.0/1.0
20
A/0.6mA
E0
Enable input (active Low)
1.0/1.0
20
A/0.6mA
E1
Enable input (active High)
1.0/1.0
20
A/0.6mA
P
Polarity control input
1.0/1.0
20
A/0.6mA
OE
Output Enable input
1.0/1.0
20
A/0.6mA
Q0 - Q9
Data outputs
150/40
3.0mA/24mA
NOTE: One (1.0) FAST Unit Load is defined as: 20
A in the High state and 0.6mA in the Low state.
LOGIC SYMBOL
6
7
16
VCC = Pin 20
GND = Pin 10
3
2
1
19
18
8
9
11
Q0
Q1
Q2
Q3
Q4 Q5
Q6
Q7
P
E0
E1
OE
4
15
14
5
A0
A1
A2
SF01005
17
A3
12
13
Q8
Q9
LOGIC SYMBOL (IEEE/IEC)
6
7
17
13
19
DMUX
1
2
3
5
0,10
0
3
10G
0
9
SF01006
11
9
8
18
1,10
2,10
3,10
4,10
5,10
6,10
7,10
14
15
4
&
&
N10
8,10
9,10
13
12
EN
Philips Semiconductors
Product specification
74F537
1-of-10 decoder (3-State)
1989 Jan 20
2
LOGIC DIAGRAM
A2
A1
A0
E0
E1
P
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
OE
VCC =
Pin 20
GND =
Pin 10
3
2
1
19
18
8
9
11
16
7
6
15
14
4
5
SF01007
A3
17
Q8
Q9
12
13
FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING MODE
OE
E0
E1
A3
A2
A1
A0
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
OPERATING MODE
H
X
X
X
X
X
X
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
High Impedance
L
L
H
X
X
L
X
X
X
X
X
X
X
X
Outputs equal P input
Disable
L
L
L
L
L
L
L
L
H
H
H
H
L
L
L
L
L
L
L
L
L
L
H
H
L
H
L
H
H
L
L
L
L
H
L
L
L
L
H
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
A i
Hi h
L
L
L
L
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
H
H
L
H
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
H
L
L
L
L
H
L
L
L
L
H
L
L
L
L
L
L
L
L
Active High output
(P = L)
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
L
X
L
L
L
H
X
L
H
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
H
H
H
H
L
L
L
L
L
L
L
L
L
L
H
H
L
H
L
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
A i
L
L
L
L
L
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
H
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
H
H
H
H
Active Low output
(P = H)
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
L
X
H
L
L
H
X
L
H
X
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
L
H
H
H = High voltage level
L = Low voltage level
X = Don't care
Z = High impedance "off" state
Philips Semiconductors
Product specification
74F537
1-of-10 decoder (3-State)
1989 Jan 20
3
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
Supply voltage
0.5 to +7.0
V
V
IN
Input voltage
0.5 to +7.0
V
I
IN
Input current
30 to +5.0
mA
V
OUT
Voltage applied to output in High output state
0.5 to +V
CC
V
I
OUT
Current applied to output in Low output state
48
mA
T
amb
Operating free-air temperature range
0 to +70
C
T
stg
Storage temperature
65 to +150
C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
SYMBOL
PARAMETER
MIN
NOM
MAX
UNIT
V
CC
Supply voltage
4.5
5.0
5.5
V
V
IH
High-level input voltage
2.0
V
V
IL
Low-level input voltage
0.8
V
I
IK
Input clamp current
18
mA
I
OH
High-level output current
3.0
mA
I
OL
Low-level output current
24
mA
T
amb
Operating free-air temperature range
0
70
C
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS
1
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
1
MIN
TYP
2
MAX
UNIT
V
O
High level output voltage
V
CC
= MIN, V
IL
= MAX,
10%V
CC
2.4
V
V
OH
High-level output voltage
V
CC
= MIN, V
IL
= MAX,
V
IH
= MIN, I
OH
= MAX
5%V
CC
2.7
3.3
V
V
OL
Low-level output voltage
V
CC
= MIN, V
IL
= MAX,
10%V
CC
0.35
0.50
V
V
OL
Low-level output voltage
V
CC
= MIN, V
IL
= MAX,
V
IH
= MIN, I
OL
= MAX
5%V
CC
0.35
0.50
V
V
IK
Input clamp voltage
V
CC
= MIN, I
I
= I
IK
0.73
1.2
V
I
I
Input current at maximum input
voltage
V
CC
= MAX, V
I
= 7.0V
100
A
I
IH
High-level input current
V
CC
= MAX, V
I
= 2.7V
20
A
I
IL
Low-level input current
V
CC
= MAX, V
I
= 0.5V
0.6
mA
I
OZH
Off-state current
High-level voltage applied
V
CC
= MAX, V
O
= 2.7V
50
A
I
OZL
Off-state current
Low-level voltage applied
V
CC
= MAX, V
O
= 0.5V
50
A
I
OS
Short-circuit output current
3
V
CC
= MAX
60
150
mA
I
CC
Supply current (total)
V
CC
= MAX
44
66
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value under the recommended operating conditions for the applicable type.
2. All typical values are at V
CC
= 5V, T
amb
= 25
C.
3. Not more than one output should be shorted at a time. For testing I
OS
, the use of high-speed test apparatus and/or sample-and-hold
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, I
OS
should be performed last.
Philips Semiconductors
Product specification
74F537
1-of-10 decoder (3-State)
1989 Jan 20
4
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
= +25
C
T
amb
= 0
C to +70
C
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
V
CC
= +5.0V
V
CC
= +5.0V
10%
UNIT
C
L
= 50pF, R
L
= 500
C
L
= 50pF, R
L
= 500
MIN
TYP
MAX
MIN
MAX
t
PLH
t
PHL
Propagation delay
An to Qn
Waveform 1
4.5
3.0
9.0
7.5
14.0
11.0
4.5
3.0
16.0
12.0
ns
ns
t
PLH
t
PHL
Propagation delay
E0 to Qn
Waveform 2
4.0
3.0
8.0
8.0
11.0
11.0
4.0
3.0
12.0
12.0
ns
ns
t
PLH
t
PHL
Propagation delay
E1 to Qn
Waveform 2
6.0
4.0
8.5
8.5
11.5
11.5
6.0
4.0
13.0
12.5
ns
ns
t
PLH
t
PHL
Propagation delay
P to Qn
Waveform 1
5.0
3.5
12.5
6.5
16.0
10.0
5.0
3.5
17.0
11.0
ns
ns
t
PZH
t
PZL
Output Enable time
OE to Qn
Waveform 3
Waveform 4
2.5
4.0
4.5
5.5
7.0
8.0
2.5
4.0
8.0
9.0
ns
ns
t
PHZ
t
PLZ
Output Disable time
OE to Qn
Waveform 3
Waveform 4
1.5
2.0
3.0
4.0
6.0
6.5
1.0
2.0
7.0
7.0
ns
ns
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
V
M
V
M
V
M
V
M
t
PHL
t
PLH
An, P, E0, E1
Qn
SF01008
Waveform 1. Propagation Delay for
Non-Inverting Outputs
V
M
V
M
V
M
V
M
t
PLH
t
PHL
E0, E1
Qn
SF01009
Waveform 2. Propagation Delay for
Inverting Outputs
V
M
V
M
V
M
t
PHZ
t
PZH
OE
Qn
V
OH
-0.3V
0V
SF01010
Waveform 3. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
V
M
V
M
V
M
t
PLZ
t
PZL
OE
Qn
V
OL
+0.3V
SF01011
Waveform 4. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
Philips Semiconductors
Product specification
74F537
1-of-10 decoder (3-State)
1989 Jan 20
5
TEST CIRCUIT AND WAVEFORM
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
0V
tTHL (tf
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
t
THL
1MHz
500ns
2.5ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for 3-State Outputs
DEFINITIONS:
R
L
= Load resistor;
see AC electrical characteristics for value.
C
L
= Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
R
T
= Termination resistance should be equal to Z
OUT
of
pulse generators.
tTHL (tf
)
tTLH (tr
)
tTLH (tr
)
AMP (V)
amplitude
3.0V
1.5V
V
M
RL
7.0V
SF00777
TEST
SWITCH
t
PLZ
closed
t
PZL
closed
All other
open
SWITCH POSITION