參數(shù)資料
型號(hào): M74HC243TTR
廠商: STMICROELECTRONICS
元件分類: 總線收發(fā)器
英文描述: HC/UH SERIES, 4-BIT TRANSCEIVER, TRUE OUTPUT, PDSO14
封裝: TSSOP-14
文件頁(yè)數(shù): 8/11頁(yè)
文件大?。?/td> 190K
代理商: M74HC243TTR
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
M74HC243
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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