HD74HC595 Просмотр технического описания (PDF) - Renesas Electronics

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HD74HC595

8-bit Shift Register / Latch (with 3-state outputs)

Renesas Electronics 

HD74HC595

• Waveform – 3 (SCLR to QH')

tf

tr

90 %

90 %

VCC

Input SCLR

50 %

50 %

10 %

10 %

tw

0V

tPHL

90 %

VOH

Output QH'

50 %

10 %

VOL

tTHL

trem

Input SCK

90 %

VCC

50 %

10 %

0V

tTLH

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

• Waveform – 4 (SER to SCK)

tr/tf

tr/tf

90 %

90 %

90 %

90 %

VCC

Input SER 50 % 50 %

50 % 50 %

10 %

10 %

10 %

10 %

0V

tsu

th

90 %

VCC

Input SCK

50 %

10 %

0V

tr

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

Rev.2.00 Mar 30, 2006 page 8 of 10

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