HD74HC165 데이터 시트보기 (PDF) - Renesas Electronics
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HD74HC165 Datasheet PDF : 8 Pages
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HD74HC165
Test Circuit
Measurement point
CL*
Note: CL includes the probe and fig capacitance.
Waveforms
Shift / Load
Serial Input
Clock
6ns
90%
50%
10%
t rem
6ns
50%
t su
90%
50%
th
10%
50%
10%
90%
90%
10%
6ns
90%
10%
6ns
6ns
50%
t su
th
50%
Notes 1. The eight data inputs and the clock-inhibit input are low.
Results are monitored at output QH at tn+7.
2. Input pulse : PRR ≤ 1MHz, duty cycle 50%
VCC
GND
50%
VCC
GND
VCC
GND
Rev.3.00, Jan 31, 2006 page 5 of 7
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