SN74ACT7811

1024

× 18

CLOCKED FIRST-IN, FIRST-OUT MEMORY

SCAS151C – JANUARY 1991 – REVISED FEBRUARY 1996

7

POST OFFICE BOX 655303

12

3

4

1

2

12

3

4

Invalid

WRTCLK

WRTEN1

WRTEN2

D0 – D17

RDCLK

RDEN1

RDEN2

Q0 – Q17

OR

AF/AE

IR

Define the AF/AE Flag

Using the Value of X = 256

HF

OE

Don’t Care

Don’t Care

Don’t Care

Don’t Care

Don’t Care

Don’t Care

Don’t Care

Don’t Care

Don’t Care

Don’t Care

RESET

DAF

1

0

Figure 2. Reset Cycle: Define AF/AE Using the Default Value