Philips Semiconductors

Product specification

74F533,* 74F534

Latch/flip-flop

1999 Jan 08

4

* Discontinued part. Please see the Discontinued Products List.

LOGIC DIAGRAM – 74F533

D0

D1

D2

D3

D4

D5

D6

D7

Q0Q1Q2Q3Q4Q5Q6Q7

E

OE

3

4

7

8

13

14

17

18

19

16

15

12

9

6

5

2

1

11

E

D

Q

E

D

Q

EQ

D

E

D

Q

E

D

Q

E

D

Q

E

D

Q

E

D

Q

GND=Pin 10

SF00987

LOGIC DIAGRAM – 74F534

D0

D1

D2

D3

D4

D5

D6

D7

Q0Q1Q2Q3Q4Q5Q6Q7

CP

OE

3

4

7

8

13

14

17

18

19

16

15

12

9

6

5

2

1

11

CP

D

Q

CP

D

Q

CP

Q

D

CP

D

Q

CP

D

Q

CP

D

Q

CP

D

Q

CP

D

Q

GND=Pin 10

SF00988

FUNCTION TABLE – 74F533

INPUTS

INTERNAL

OUTPUTS

OPERATING MODES

OE

E

Dn

REGISTER

Q0 – Q7

OPERATING MODES

L

L

H

H

L

H

L

H

H

L

Load and read register

L

L

↓

↓

l

h

L

H

H

L

Enable and read register

L

L

X

NC

NC

Hold

H

H

L

H

X

Dn

NC

Dn

Z

Z

Disable outputs

H = High voltage level

h = High voltage level one setup time prior to the High-to-Low E transition

L = Low voltage level

l

= Low voltage level one setup time prior to the High-to-Low E transition

NC= No change

X = Don’t care

Z = High impedance “off” state

↓ = High-to-Low E transition