SN74HC74DB datasheet(6/15 Pages) TI1

部件名	SN74HC74DB

功能描述	Dual D-Type Positive-Edge-Triggered Flip-Flops

Download	15 Pages

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制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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6 / 15 page

SN54HC74, SN74HC74

SCLS094E – DECEMBER 1982 – REVISED DECEMBER 2015

www.ti.com

6.6 Timing Requirements

over recommended operating free-air temperature range, TA = 25°C (unless otherwise noted)

VCC

TA

MIN

MAX

UNIT

TA = 25°C

6

2 V

SN54HC74

4.2

SN74HC74

5

TA = 25°C

31

fclock

Clock frequency

4.5 V

SN54HC74

21

MHz

SN74HC74

25

TA = 25°C

0

36

6 V

SN54HC74

0

25

SN74HC74

0

29

TA = 25°C

100

2 V

SN54HC74

150

SN74HC74

125

TA = 25°C

20

PRE or CLR low

4.5 V

SN54HC74

30

SN74HC74

25

TA = 25°C

14

6 V

SN54HC74

25

SN74HC74

21

tw

Pulse duration

ns

TA = 25°C

80

2 V

SN54HC74

120

SN74HC74

100

TA = 25°C

16

CLK high or low

4.5 V

SN54HC74

24

SN74HC74

20

TA = 25°C

14

6 V

SN54HC74

20

SN74HC74

17

TA = 25°C

100

2 V

SN54HC74

150

SN74HC74

125

TA = 25°C

20

Data

4.5 V

SN54HC74

30

SN74HC74

25

TA = 25°C

17

6 V

SN54HC74

25

SN74HC74

21

Setup time before

tsu

ns

CLK

↑

TA = 25°C

25

2 V

SN54HC74

40

SN74HC74

30

TA = 25°C

5

PRE or CLR inactive

4.5 V

SN54HC74

8

SN74HC74

6

TA = 25°C

4

6 V

SN54HC74

7

SN74HC74

5

6

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Product Folder Links: SN54HC74 SN74HC74

类似零件编号 - SN74HC74DB

制造商	部件名	数据表	功能描述
Texas Instruments	SN74HC74DB	96Kb / 16P	[Old version datasheet] DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET
	SN74HC74DBLE	96Kb / 16P	[Old version datasheet] DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET
	SN74HC74DBLE	733Kb / 20P	[Old version datasheet] DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET
	SN74HC74DBR	96Kb / 16P	[Old version datasheet] DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET
	SN74HC74DBR	733Kb / 20P	[Old version datasheet] DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET

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类似说明 - SN74HC74DB

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