参数资料
型号: M54HC237D1
厂商: STMICROELECTRONICS
元件分类: 编、解码器及复用、解复用
英文描述: HC/UH SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, CDIP16
封装: CERAMIC, DIP-16
文件页数: 3/10页
文件大小: 196K
代理商: M54HC237D1
M54HC237
2/10
IEC LOGIC SYMBOLS
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X : Don’t Care
PIN N°
SYMBOL
NAME AND FUNCTION
1, 2, 3
A, B, C
Data Inputs
4GL
Latch Enable Input
5G2
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
INPUTS
OUTPUTS
ENABLE
SELECT
GL
G2
G1
C
B
A
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
X
L
X
LLLLLLLL
X
H
XXXX
L
LLLLLLL
LL
H
LLL
H
LLLLLLL
LL
H
L
H
L
H
LLLLLL
LL
H
L
H
L
LL
H
LLLLL
LL
H
L
H
LLL
H
LLLL
LL
H
LL
LLLL
H
LLL
LL
H
L
H
LLLLL
H
L
LL
H
L
LLLLL
H
L
HHHH
L
LLLLLL
H
L
H
X
Outputs corresponding to stored address H: all others L
相关PDF资料
PDF描述
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