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HD74LV595A

8-bit Shift Registers with 3-state Outputs

Hitachi -> Renesas Electronics 

Waveform – 4

G

tf

90 %

50 % VCC

10 %

tZL

tr

10 %

90 %

50 % VCC

tLZ

Waveform – A

Waveform – B

50 % VCC

tZH

50 % VCC

VOL + 0.3 V

tHZ

VOH – 0.3 V

Waveform – 5

SER

SRCLK

Valid

50% VCC

tsu

th

50% VCC

Waveform – 6

SRCLK

RCLK

50% VCC

tsu

50%

VCC

tw

VCC

GND

VCC

GND

VCC

GND

VCC

GND

HD74LV595A

VCC

0V

VCC

VOL

VOH

0V

Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, t ≤ 3 ns, t ≤ 3 ns

2. Waveform-A is for an output with internal conditions such that the output is low except when disabled

by the output control.

3. Waveform-B is for an output with internal conditions such that the output is high except when disabled

by the output control.

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

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