參數(shù)資料
型號: 54HC157
廠商: 意法半導體
英文描述: HCT157 QUAD 2 CHANNEL MULTIPLEXER HCT158 QUAD 2 CHANNEL MULTIPLEXER INV.
中文描述: HCT157四2通道多HCT158四2通道多刑事調(diào)查。
文件頁數(shù): 2/11頁
文件大?。?/td> 250K
代理商: 54HC157
CHIP CARRIER
HCT157
HCT158
PIN DESCRIPTION
(for HCT157)
PIN No
1
SYMBOL
SELECT
NAME AND FUNCTION
Common Data Select
Input
Data Inputs From
Source A
Data Inputs From
Source B
Multiplexer Output
Strobe Input
Ground (0V)
Positive Supply Voltage
2, 5, 11, 14
1A to 4A
3, 6, 10, 13
1B to 4B
4, 7, 9, 12
15
8
16
1Y to 4Y
STROBE
GND
V
CC
PIN DESCRIPTION
(for HCT158)
PIN No
1
SYMBOL
SELECT
NAME AND FUNCTION
Common Data Select
Input
Data Inputs From
Source A
Data Inputs From
Source B
Multiplexer Output
Strobe Input
Ground (0V)
Positive Supply Voltage
2, 5, 11, 14
1A to 4A
3, 6, 10, 13
1B to 4B
4, 7, 9, 12
15
8
16
1Y to 4Y
STROBE
GND
V
CC
INPUT AND OUTPUT EQUIVALENT CIRCUIT
M54/M74HCT157 M54/M74HCT158
2/11
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