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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
HCF4021
Electrical characteristics
Figure 6. Waveform 2: setup and hold times (SI to CLOCK)
(f = 1 MHz; 50 % duty cycle)
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Figure 7. Waveform 3: setup and hold time (PI to P/S)
(f = 1 MHz; 50 % duty cycle)
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Figure 8. Waveform 4: pulse width and removal time (P/S to clock)
(f = 1 MHz; 50 % duty cycle)
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DocID008216 Rev 3
9/13
13