HD74LV374A(2010) 데이터 시트보기 (PDF) - Renesas Electronics

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HD74LV374A
(Rev.:2010)

Octal Edge-Triggered D-type Flip-Flops with 3-state Outputs

Renesas Electronics 

HD74LV374A

• Waveform − 1

Input CLK

Input D

Output Q

• Waveform − 2

Input CLK

tr

tf

50 %VCC

10 %

tr

90 % 90 %

10 %

tf

90 %

90 %

10 %

tPLH

10 %

50 %VCC

tr

tf

10 %

tsu

90 % 90 %

50 % 50 %

VCC

VCC

tw

th

10 %

tw

50 %VCC

tPHL

50 %VCC

50 %VCC

Input D

50 %VCC

50 %VCC

• Waveform − 3

tf

Input OE

90 %

50 %VCC

10 %

Waveform − A

Waveform − B

tr

90 %

50 %VCC

10 %

tZL

tLZ

50 %VCC

tZH

tHZ

50 %VCC

VOL + 0.3 V

VOH − 0.3 V

VCC

GND

VCC

GND

VOH

VOL

VCC

GND

VCC

GND

VCC

GND

VCC

VOL

VOH

GND

Notes: 1. tr ≤ 3 ns, tf ≤ 3 ns

2. Input waveform: PRR ≤ 1 MHZ, duty cycle 50%

3. Waveform−A is for an output with internal conditions such that the output is low except

when disabled by the output control.

4. Waveform−B is for an output with internal conditions such that the output is high except

when disabled by the output control.

Rev.2.00 Jun. 25, 2004 page 7 of 9

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