參數資料
型號: M74HC257TTR
廠商: STMICROELECTRONICS
元件分類: 編、解碼器及復用、解復用
英文描述: HC/UH SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: TSSOP-16
文件頁數: 8/11頁
文件大小: 267K
代理商: M74HC257TTR
M74HC257
6/11
TEST CIRCUIT
CL = 50pF/150pF or equivalent (includes jig and probe capacitance)
R1 = 1K or equivalent
RT = ZOUT of pulse generator (typically 50)
WAVEFORM 1: PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle)
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
VCC
tPZH, tPHZ
GND
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相關代理商/技術參數
參數描述
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