SN74ACT2236

1024 × 9 × 2

ASYNCHRONOUS BIDIRECTIONAL FIRST IN, FIRST OUT MEMORY

SCAS149A − APRIL 1990 − REVISED SEPTEMBER 1995

6

POST OFFICE BOX 655303

POST OFFICE BOX 1443

FIFO A

Bus A

In

Bus B

Out

FIFO B

Out

In

LX

H

L

FIFO A

In

Out

FIFO B

Out

In

Bus A

Bus B

XX

X

H

FIFO A

Bus A

In

Bus B

Out

FIFO B

Out

In

FIFO A

Bus A

In

Bus B

Out

FIFO B

Out

In

SAB SBA

DIR

OE

SAB SBA

DIR

OE

X

LLL

SAB SBA

DIR

OE

HX

H

L

SAB SBA

DIR

OE

FIFO A

Bus A

In

Bus B

Out

FIFO B

Out

In

XH

L

L

SAB SBA

DIR

OE

Figure 1. Bus-Management Functions