SN54ALS996, SN74ALS996

8BIT DTYPE EDGETRIGGERED READBACK LATCHES

SDAS098B − OCTOBER 1984 − REVISED JANUARY 1995

2−3

POST OFFICE BOX 655303

POST OFFICE BOX 1443

timing diagram

(T/C = H)

CLR

D

EN

RD

Q

OE

Async

Clear

Write

Input Data

Output

CLK

Read-Back Data

Output Data

Read

Back

tsu

th

tw

tsu

tdis

tdis

tdis

tp

th†

ten

ten

ten

† This hold time ensures that the read-back circuit will not create a conflict on the input data bus.

7 V

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

7 V

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

Voltage applied to D inputs and to disabled 3-state outputs

5.5 V

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

−55

°C to 125°C

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

SN74ALS996

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.