54HC74 datasheet(5/6 Pages) SS

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5 Not production tested in die form, characterized by chip design and tested in package.

High Speed CMOS Logic – 54HC74

Rev 1.0

21/11/17

Timing Requirements5

LIMITS

PARAMETER

SYMBOL

VCC

CONDITIONS

25°C

85°C

FULL RANGE

UNITS

2.0

100

120

4.5

Minimum Setup

Time, Data to Clock

(Figure X)

tsu

6.0

CL = 50pF,

tr = tf = 6ns

2.0

3.0

4.5

3.0

Minimum Hold Time,

Clock to Data

(Figure X)

6.0

CL = 50pF,

tr = tf = 6ns

3.0

2.0

8.0

4.5

8.0

Minimum Recovery

Time, Set or Reset

Inactive to Clock

(Figure X)

trec

6.0

CL = 50pF,

tr = tf = 6ns

8.0

2.0

4.5

Minimum Pulse

Width, Clock

(Figure X)

6.0

CL = 50pF,

tr = tf = 6ns

2.0

4.5

Minimum Pulse

Width, Set or Reset

(Figure X)

6.0

CL = 50pF,

tr = tf = 6ns

2.0

1000

4.5

500

Maximum Input Rise

and Fall Times

(Figure X)

tr, tf

6.0

CL = 50pF,

tr = tf = 6ns

400

Switching Waveforms

Figure 1 – Data, Clock and Output

Figure 2 – Set, Reset, Clock and Output

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