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M54HC237F1R Datasheet(PDF) 2 Page - STMicroelectronics

Part # M54HC237F1R
Description  3 TO 8 LINE DECODER LATCH
PDF  11 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC237F1R Datasheet(HTML) 2 Page - STMicroelectronics

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TRUTH TABLE
INPUTS
OUTPUS
ENABLE
SELECT
GL
G2
G1
C
B
A
Y0Y1
Y2Y3
Y4Y5
Y6Y7
X
X
L
X
X
X
L
LL
LL
LL
L
X
H
X
X
X
X
LL
LL
LL
LL
L
L
H
L
L
L
H
L
LL
LL
LL
L
L
H
L
L
H
L
H
LL
LL
LL
L
L
H
L
H
L
LL
H
L
LL
LL
L
L
H
L
H
H
LL
L
H
LL
LL
L
L
H
H
L
L
LL
LL
H
L
LL
L
L
H
H
L
H
LL
LL
L
H
LL
L
L
H
H
H
L
LL
LL
LL
H
L
L
L
H
H
H
H
LL
LL
LL
L
H
H
L
H
X
X
X
OUTPUT CORRESPONDING TO STORED ADDRESS, H: ALL OTHERS, L
X: Don’t Care
PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCTION
1, 2, 3
A, B, C
Data Inputs
4
GL
Latch Enable Input
(Active LOW)
5
G2
Data Enable Input
(Active LOW)
6
G1
Data Enable Input
(Active HIGH)
15, 14, 13,
12, 11, 10, 9,
7
Y0 to Y7
Decoder Outputs
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
IEC LOGIC SYMBOLS
INPUT AND OUTPUT EQUIVALENT CIRCUIT
M54/M74HC237
2/11



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