參數(shù)資料
型號(hào)： M54HCT257F1R
廠商： 意法半導(dǎo)體
英文描述： HCT257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE HCT258 QUAD 2 CHANNEL MULTIPLEXER 3-STATE, INVERTING
中文描述： HCT257四2通道多路3態(tài)HCT258四2通道多路3態(tài)，反相
文件頁(yè)數(shù)： 2/12頁(yè)
文件大小： 255K
代理商： M54HCT257F1R
INPUT AND OUTPUT EQUIVALENT CIRCUIT
CHIP CARRIER
NC = No Internal Connection
HCT257
HCT258
PIN DESCRIPTION
(HCT257)
PIN No
1
SYMBOL
SELECT
NAME AND FUNCTION
Common Data Select
Input
Data Input From Source A
Data Inputs from Source B
3 State Multiplexer
Outputs
3 State Output Enable
Inputs (Active LOW)
Ground (0V)
Positive Supply Voltage
2, 5, 14, 11
3, 6, 13, 10
4, 7, 12, 9
1A to 4A
1B to 4B
1Y to 4Y
15
OE
8
GND
V
CC
16
PIN DESCRIPTION
(HCT258)
PIN No
1
SYMBOL
SELECT
NAME AND FUNCTION
Common Data Select
Input
Data Input From Source A
Data Inputs from Source B
3 State Multiplexer
Outputs
3 State Output Enable
Inputs (Active LOW)
Ground (0V)
Positive Supply Voltage
2, 5, 14, 11
3, 6, 13, 10
4, 7, 12, 9
1A to 4A
1B to 4B
1Y to 4Y
15
OE
8
GND
V
CC
16
M54/M74HCT257/258
2/12
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