SN54ALS563A, SN74ALS563B

OCTAL D-TYPE TRANSPARENT LATCHES WITH 3-STATE OUTPUTS

SDAS163 – D2661, DECEMBER 1982 – REVISED JANUARY 1989

POST OFFICE BOX 655303

2

logic diagram (positive logic)

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

and IEC Publication 617-12.

Pin numbers shown are for DW, J, and N packages.

8D

7D

6D

5D

4D

3D

2D

1D

C1

D1

C1

D1

C1

D1

C1

D1

C1

D1

C1

D1

C1

D1

C1

D1

19

2

3

4

5

6

7

8

9

18

17

16

15

12

13

14

1

C

OC

2Q

1Q

4Q

3Q

6Q

5Q

8Q

7Q

11

EN

1

C1

11

C

1D

2

1D

3

2D

4

3D

5

4D

6

5D

19

18

17

16

15

7

6D

8

7D

9

8D

14

13

12

OC

2Q

1Q

4Q

3Q

6Q

5Q

8Q

7Q

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

7 V

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

Input voltage

7 V

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

Voltage applied to a disabled 3-state output

5.5 V

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

Operating free-air temperature range: SN54ALS563A

– 55

°C to 125°C

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

SN74ALS563B

0

°C to 70°C

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

Storage temperature range

– 65

°C to 150°C

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

recommended operating conditions

SN54ALS563A

SN74ALS563B

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

tw

Pulse duration, C high

15

15

ns

tsu

Setup time, data before C

↓

10

10

ns

th

Hold time, data after C

↓

10

10

ns

TA

Operating free-air temperature

–55

125

0

70

°C