HD74LS74AP datasheet(3/8 Pages) RENESAS

Part #	HD74LS74AP

Description	Dual D-type Positive Edge-triggered Flip-Flops (with Preset and Clear)

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Manufacturer	RENESAS [Renesas Technology Corp]

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3 / 8 page

HD74LS74A

Preliminary

R04DS0012EJ0400 Rev.4.00

Page 3 of 7

Dec 21, 2011

Switching Characteristics

(VCC = 5 V, Ta = 25°C)

Item

Symbol

Inputs

Outputs

min.

typ.

max.

Unit

Condition

Maximum clock frequency

fmax

25

33

MHz

tPLH

—

13

25

ns

Propagation delay time

tPHL

Clear, Clock

or Preset

Q,

Q

—

25

40

ns

CL = 15 pF,

RL = 2 k

Timing Definition

Data

Clock

0 V

3 V

0 V

3 V

1.3 V1.3 V

1.3 V

"H" Data

"L" Data

tw

tsu

th

tsu

th

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