SN54ABT7819

512

× 18 × 2

CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY

SGBS305D – AUGUST 1994 – REVISED APRIL 1998

4

POST OFFICE BOX 655303

ENABLE

&

0

D2

A0

D1

A1

E2

A2

E1

A3

G3

A4

G1

A5

F1

A6

H1

A7

J1

A8

B1

D11

B2

E10

B3

E11

B4

G9

B5

G11

B6

F10

B7

H11

B8

J11

Data

1

K1

A9

L1

A10

K2

A11

L2

A12

L3

A13

L4

A14

J5

A15

L5

A16

17

K6

A17

B9

K11

B10

K10

B11

L11

B12

L10

B13

L9

B14

L8

B15

L6

B16

L7

B17

J7

17

RSTA

PENA

PROGRAM ENABLE

A1

RESET FIFOA–B

B3

A4

WENA

2

&

READ

FIFOB–A

OE1

&

ENABLE

&

WRITE

FIFOA–B

W/RA

A3

CLOCK A

C5

CLKA

B5

RENA

CSA

A2

READ

ENABLE

FIFOA–B

&

WRITE

ENABLE

FIFOB–A

&

OE2

INPUT-READY

B1

IRA

OUTPUT-READY

A5

ORA

HALF-FULL

C2

HFA

ALMOST-FULL/EMPTY

B2

AF/AEA

FIFOA–B

PORT A

PORT A

FIFOA–B

B0

D10

0

CLKB

B6

CLOCK B

WENB

A8

RENB

B7

A10

B9

RESET FIFOB–A

B10

PROGRAM ENABLE

IRB

B11

INPUT-READY

ORB

A7

OUTPUT-READY

HFB

C10

HALF-FULL

AF/AEB

A11

ALMOST-FULL/EMPTY

FIFOB–A

FIFOB–A

PORT B

PORT B

FIFOB–A

RSTB

PENB

CSB

W/RB

A9

Φ

FIFO 512

× 18 × 2

SN54ABT7819

FIFOA–B

Data

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

Pin numbers shown are for the GB package.