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)
文件頁數(shù): 5/9頁
文件大小: 70K
代理商: 74VHC257T
WAVEFORM 1: PROPAGATIONDELAYS FOR INVERTING CONDITIONS
(f=1MHz; 50% duty cycle)
TESTCIRCUIT
TEST
SWITCH
Open
V
CC
GND
t
PLH
, t
PHL
t
PZL
, t
PLZ
t
PZH
, t
PHZ
C
L
=15/50pForequvalent (includes jigand probecapacitance)
R
L
=R
1
=1K
orequivalent
R
T
=Z
OUT
ofpulsegenerator (typically50
)
74VHC257
5/9
相關(guān)PDF資料
PDF描述
74VHC273 Quadruple 2-Input Positive-AND Gates 14-SOIC -40 to 85
74VHC273M Quadruple 2-Input Positive-AND Gates 14-PDIP -40 to 85
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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
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