HD74LV595A 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74LV595A

8-bit Shift Registers with 3-state Outputs

Hitachi -> Renesas Electronics 

HD74LV595A

Waveform – 1

tr

tf

SRCLK

90%

50% VCC

10%

90%

QH'

50% VCC

10%

tw

1/fmax

tPLH

tPHL

tTLH

tTHL

Waveform – 2

SRCLR

tw

50% VCC

QH'

tPHL

50% VCC

SRCLK

tsu

50% VCC

Waveform – 3

RCLK

QA-QH

50% VCC

tPLH/tPHL

50% VCC

VCC

GND

VCC

GND

VCC

GND

VCC

GND

14

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