參數(shù)資料
型號(hào): M74HC257TTR
廠商: 意法半導(dǎo)體
英文描述: QUAD 2 CHANNEL MULTIPLEXER (3-STATE)
中文描述: 四2通道多路復(fù)用器(3態(tài))
文件頁數(shù): 6/11頁
文件大小: 195K
代理商: M74HC257TTR
M74HC257
6/11
TEST CIRCUIT
C
L
= 50pF/150pF or equivalent (includes jig and probe capacitance)
R
1
= 1K
or equivalent
R
T
= Z
OUT
of pulse generator (typically 50
)
WAVEFORM 1: PROPAGATION DELAY TIME
(f=1MHz; 50% duty cycle)
TEST
SWITCH
t
PLH
, t
PHL
t
PZL
, t
PLZ
t
PZH
, t
PHZ
Open
V
CC
GND
相關(guān)PDF資料
PDF描述
M74HC258 Quad 2 Channel Multiplexer (3-STATE)(四2通道多路復(fù)用器(三態(tài)))
M74HC257 Quad 2 Channel Multiplexer (3-STATE)(四2通道多路復(fù)用器(三態(tài)))
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M74HC258 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE
M74HC258B1R 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE
M74HC258C1R 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE
M74HC258F1R 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC158 QUAD 2 CHANNEL MULTIPLEXER INV. HC157 QUAD 2 CHANNEL MULTIPLEXER
M74HC258M1R 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HC258QUAD 2CHANNEL MULTIPLEXER 3-STATE, INVERTING HC257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE