HD74HC589 데이터 시트보기 (PDF) - Renesas Electronics

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HD74HC589

8-bit Serial or Parallel-input/Serial-output Shift Register (with 3-state outputs)

Renesas Electronics 

HD74HC589

5.

A to H

Latch

Clock

Data Valid

50%

tsu

th

50%

6.

VCC

SA

0V

Data Valid

50%

tsu

50%

th

VCC

0V

VCC

Shift

VCC

Clock

50%

0V

0V

7.

Serial Shift /

VCC

Parallel Load

50%

50%

0V

tsu

th

Shift

VCC

Clock

50%

0V

Notes : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, tr ≤ 6 ns, tf ≤ 6 ns

2. The output are measured one at a time with one transition per measurement.

Rev.2.00 Mar 30, 2006 page 7 of 8

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