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M74HC238B1R

P1-P3P4-P6P7-P9P10-P10
M74HC238
4/10
DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS (C
L
= 50 pF, Input t
r
= t
f
= 6ns)
Symbol Parameter
Test Conditions 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
Symbol Parameter
Test Conditions 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 50 150 190 225
ns4.5 17 30 38 45
6.0 15 26 32 38
t
PLH
t
PHL
Propagation Delay
Time (G1 - Y)
2.0 50 150 190 225
ns4.5 17 30 38 45
6.0 15 26 32 38
t
PLH
t
PHL
Propagation Delay
Time (G2
- Y)
2.0 50 150 190 225
ns4.5 17 30 38 45
6.0 15 26 32 38
M74HC238
5/10
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. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
TEST CIRCUIT
C
L
= 50pF or equivalent (includes jig and probe capacitance)
R
T
= Z
OUT
of pulse generator (typically 50Ω)
Symbol Parameter
Test Conditions 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 53 pF
M74HC238
6/10
WAVEFORM 1: PROPAGATION DELAY TIMES (f=1MHz; 50% duty cycle)
P1-P3P4-P6P7-P9P10-P10

M74HC238B1R

Mfr. #:
Buy M74HC238B1R
Manufacturer:
STMicroelectronics
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 3-to-8 Line Decoder
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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