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HCF4021 Datasheet, PDF (9/13 Pages) STMicroelectronics – Asynchronous parallel input or synchronous serial-in/serial-out 8-stage static shift register | |||
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HCF4021
Electrical characteristics
Figure 6. Waveform 2: setup and hold times (SI to CLOCK)
(f = 1 MHz; 50 % duty cycle)
6,
&/2&.
WV
WK
9''
966
9''
966
*$06&%
Figure 7. Waveform 3: setup and hold time (PI to P/S)
(f = 1 MHz; 50 % duty cycle)
9''
3,
966
WV
WK
36
9''
966
*$06&%
Figure 8. Waveform 4: pulse width and removal time (P/S to clock)
(f = 1 MHz; 50 % duty cycle)
9''
36
966
W:+
&/2&.
WUHP
*$06&%
DocID008216 Rev 3
9/13
13
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