SN54ALS564B, SN74ALS564B

OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS

WITH 3-STATE OUTPUTS

SDAS164B – APRIL 1982 – REVISED JANUARY 1995

2

POST OFFICE BOX 655303

logic diagram (positive logic)

OE

1D

2

1D

3

2D

4

3D

5

4D

6

5D

11

CLK

19

18

17

16

15

14

13

12

7

6D

8

7D

9

8D

EN

1

OE

CLK

1D

1Q

1

11

2

19

To Seven Other Channels

C1

1D

1Q

2Q

3Q

4Q

5Q

6Q

7Q

8Q

C1

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and

IEC Publication 617-12.

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage applied to a disabled 3-state output

5.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

– 55

°C to 125°C

. . . . . . . . . . . . . . . . . . . . . . . . . . .

SN74ALS564B

0

°C to 70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range

– 65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

recommended operating conditions

SN54ALS564B

SN74ALS564B

UNIT

MIN

NOM

MAX

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.5

5

5.5

4.5

5

5.5

V

VIH

High-level input voltage

2

2

V

VIL

Low-level input voltage

0.7

0.8

V

IOH

High-level output current

–1

– 2.6

mA

IOL

Low-level output current

12

24

mA

fclock

Clock frequency

0

22

0

30

MHz

tw

Pulse duration, CLK high or low

25

14

ns

tsu

Setup time, data before CLK

↑

15

15

ns

th

Hold time, data after CLK

↑

4

0

ns

TA

Operating free-air temperature

–55

125

0

70

°C