參數(shù)資料
型號(hào): 74VHC257T
廠商: 意法半導(dǎo)體
英文描述: Quadruple 2-Input Positive-AND Gates 14-SOIC -40 to 85
中文描述: 四2通道多路復(fù)用三態(tài)
文件頁(yè)數(shù): 2/9頁(yè)
文件大?。?/td> 70K
代理商: 74VHC257T
INPUT EQUIVALENTCIRCUIT
LOGIC DIAGRAM
PIN DESCRIPTION
PIN No
1
2, 5, 14, 11
3, 6, 13, 10
4, 7, 12, 9
15
SYMBOL
SELECT
1A to 4A
1B to 4B
1Y to 4Y
OE
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
8
GND
V
CC
16
TRUTH TABLE
INPUTS
OUTPUTS
Y
Z
L
H
L
H
OE
H
L
L
L
L
SELECT
X
L
L
H
H
A
X
L
H
X
X
B
X
X
X
L
H
X= DON’TCARE Z=HIGHIMPEDANCE
Thislogicdiagram hasnotbeusedtoestimatepropagation delays
74VHC257
2/9
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PDF描述
74VHC273 Quadruple 2-Input Positive-AND Gates 14-SOIC -40 to 85
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74VHC257TTR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2-Ch Multiplexr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
74VHC27 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:TRIPLE 3-INPUT NOR GATE
74VHC27_04 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:TRIPLE 3-INPUT NOR GATE
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