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M74HC237B1R

P1-P3P4-P6P7-P9P10-P11
Obsolete Product(s) - Obsolete Product(s)
M74HC237
4/11
DC SPECIFICATIONS
Symbol Parameter
Test Condition Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C -55 to 125°C
Min. Typ. Max. Min. Max. Min. Max.
V
IH
High Level Input
Voltage
2.0 1.5 1.5 1.5
V4.5 3.15 3.15 3.15
6.0 4.2 4.2 4.2
V
IL
Low Level Input
Voltage
2.0 0.5 0.5 0.5
V4.5 1.35 1.35 1.35
6.0 1.8 1.8 1.8
V
OH
High Level Output
Voltage
2.0
I
O
=-20 µA
1.9 2.0 1.9 1.9
V
4.5
I
O
=-20 µA
4.4 4.5 4.4 4.4
6.0
I
O
=-20 µA
5.9 6.0 5.9 5.9
4.5
I
O
=-4.0 mA
4.18 4.31 4.13 4.10
6.0
I
O
=-5.2 mA
5.68 5.8 5.63 5.60
V
OL
Low Level Output
Voltage
2.0
I
O
=20 µA
0.0 0.1 0.1 0.1
V
4.5
I
O
=20 µA
0.0 0.1 0.1 0.1
6.0
I
O
=20 µA
0.0 0.1 0.1 0.1
4.5
I
O
=4.0 mA
0.17 0.26 0.33 0.40
6.0
I
O
=5.2 mA
0.18 0.26 0.33 0.40
I
I
Input Leakage
Current
6.0
V
I
= V
CC
or GND
± 0.1 ± 1 ± 1 µA
I
CC
Quiescent Supply
Current
6.0
V
I
= V
CC
or GND
44080µA
Obsolete Product(s) - Obsolete Product(s)
M74HC237
5/11
AC ELECTRICAL CHARACTERISTICS (C
L
= 50 pF, Input t
r
= t
f
= 6ns)
CAPACITIVE CHARACTERISTICS
1) C
PD
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load.
Symbol Parameter
Test Condition Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C -55 to 125°C
Min. Typ. Max. Min. Max. Min. Max.
t
TLH
t
THL
Output Transition
Time
2.0 30 75 95 110
ns4.5 8151922
6.0 7131619
t
PLH
t
PHL
Propagation Delay
Time (A, B, C - Y)
2.0 60 180 225 270
ns4.5 19 36 45 54
6.0 16 31 38 46
t
PLH
t
PHL
Propagation Delay
Time (G1 - Y)
2.0 45 140 175 210
ns4.5 15 28 35 42
6.0 13 24 30 36
t
PLH
t
PHL
Propagation Delay
Time (G2
- Y)
2.0 45 140 175 210
ns4.5 15 28 35 42
6.0 13 24 30 36
t
PLH
t
PHL
Propagation Delay
Time (GL
- Y)
2.0 65 190 240 285
ns4.5 21 38 48 57
6.0 18 32 41 48
t
W(L)
Minimum Pulse
Width (GL
)
2.0 10 75 95 110
ns4.5 6151922
6.0 6131619
t
s
Minimum Set-up
Time (A, B, C - GL
)
2.0 12 50 65 75
ns4.5 3101315
6.0 2 9 11 13
t
h
Minimum Hold
Time (A, B, C - GL
)
2.0 25 30 40
ns4.5 5 6 8
6.0 5 5 7
Symbol Parameter
Test Condition Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C -55 to 125°C
Min. Typ. Max. Min. Max. Min. Max.
C
IN
Input Capacitance
5.0 5101010pF
C
PD
Power Dissipation
Capacitance (note
1)
5.0 52 pF
Obsolete Product(s) - Obsolete Product(s)
M74HC237
6/11
TEST CIRCUIT
C
L
= 50pF or equivalent (includes jig and probe capacitance)
R
T
= Z
OUT
of pulse generator (typically 50Ω)
WAVEFORM 1: PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle)
P1-P3P4-P6P7-P9P10-P11

M74HC237B1R

Mfr. #:
Buy M74HC237B1R
Manufacturer:
STMicroelectronics
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 3-to-8 Line Decoder
Lifecycle:
New from this manufacturer.
Delivery:
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