6

SN74HCS72-Q1

SCLS774 – OCTOBER 2019

www.ti.com

Submit Documentation Feedback

Copyright © 2019, Texas Instruments Incorporated

6.7 Timing Characteristics

CL = 50 pF; over operating free-air temperature range; typical values measured at TA = 25°C (unless otherwise noted). See

Parameter Measurement Information.

PARAMETER

VCC

MIN

TYP

MAX

UNIT

fclock

Clock frequency

2 V

20

MHz

4.5 V

64

6 V

74

tw

Pulse duration

PRE or CLR low

2 V

8

7

ns

4.5 V

7

5

6 V

7

5

CLK high or low

2 V

10

5

ns

4.5 V

9

3

6 V

8

2

tsu

Setup time before CLK low

Data

2 V

16

11

ns

4.5 V

6

1

6 V

3

1

PRE or CLR inactive

2 V

7

ns

4.5 V

0

6 V

0

th

Hold time

Data after CLK

↓

2 V

5

ns

4.5 V

3

6 V

2