74LVC574ADB datasheet(3/10 Pages) PHILIPS

Part #	74LVC574ADB

Description	Octal D-type flip-flop with 5-volt tolerant inputs/outputs; positive edge-trigger 3-State

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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Philips Semiconductors

Product specification

74LVC574A

Octal D-type flip-flop with 5-volt tolerant

inputs/outputs; positive edge-trigger (3-State)

1998 Jul 29

3

PIN DESCRIPTION

PIN NUMBER

SYMBOL

FUNCTION

1

OE

Output enable input (active-Low)

2, 3, 4, 5,

6, 7, 8, 9

D0-D7

Data inputs

19, 18, 17, 16,

15, 14, 13, 12

Q0-Q7

Data outputs

10

GND

Ground (0V)

11

CP

Clock input (LOW-to-HIGH,

edge-triggered)

20

VCC

Positive supply voltage

PIN CONFIGURATION

20

19

18

17

16

15

14

13

12

10

11

9

8

7

6

5

4

3

2

1

VCC

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

CP

OE

D0

D1

D2

D3

D4

D5

D6

D7

GND

SA00400

LOGIC SYMBOL

11

1

CP

OE

2

3

4

5

6

7

8

9

D0

D1

D2

D3

D4

D5

D6

D7

19

18

17

16

15

14

13

12

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

SA00401

LOGIC SYMBOL (IEEE/IEC)

1

2

19

3

18

4

17

5

16

C1

11

EN

6

15

7

14

8

13

9

12

1D

SA00402

FUNCTIONAL DIAGRAM

1

19

2

318

17

4

516

11

15

6

714

13

8

912

OE

Q0

D0

D1

Q1

Q2

D2

D3

Q3

Q4

D4

D5

Q5

Q6

D6

D7

Q7

CP

SA00403

3-State

OUTPUTS

FF!

to

FF8

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