參數(shù)資料
型號(hào): M74HC540B1R
廠(chǎng)商: STMICROELECTRONICS
元件分類(lèi): 總線(xiàn)收發(fā)器
英文描述: HC/UH SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDIP20
封裝: PLASTIC, DIP-20
文件頁(yè)數(shù): 6/10頁(yè)
文件大?。?/td> 252K
代理商: M74HC540B1R
M74HC540
5/10
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 TIMES (f=1MHz; 50% duty cycle)
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
VCC
tPZH, tPHZ
GND
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