SN54LVT2952, SN74LVT2952

3.3V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS

WITH 3STATE OUTPUTS

SCBS152E − MAY 1992 − REVISED JULY 1995

2

POST OFFICE BOX 655303

POST OFFICE BOX 1443

FUNCTION TABLE†

INPUTS

OUTPUT

CLKENAB

CLKAB

OEAB

A

OUTPUT

B

H

X

L

X

B0‡

X

H or L

L

X

B0‡

L

↑

LL

L

L

↑

LH

H

X

X

H

X

Z

† A-to-B data flow is shown; B-to-A data flow is similar

but uses CLKENBA, CLKBA, and OEBA.

‡ Level of B before the indicated steady-state input

conditions were established

31

B1

8

A1

16

A2

17

A3

18

A4

19

EN3

15

1 C5

B2

7

B3

6

B4

5

A5

20

A6

21

A7

22

A8

23

B5

4

B6

3

B7

2

B8

1

G2

11

G1

13

EN4

9

2 C6

4

5D

1

6D

OEBA

CLKENBA

OEAB

CLKENAB

14

CLKBA

10

CLKAB

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

Pin numbers shown are for the DB, DW, JT, and PW packages.