www.ti.com

DEVICE INFORMATION

FUNCTIONAL DESCRIPTION

bq4013/Y/LY

SLUS121A – MAY 1999 – REVISED MAY 2007

Table 1. TERMINAL FUNCTIONS

TERMINAL

I/O

DESCRIPTION

NAME

NUMBER

12

I

11

I

10

I

9

I

8

I

7

I

6

I

5

I

27

I

Address inputs

26

I

23

I

25

I

4

I

28

I

3

I

31

I

2

I

CE

22

I

Chip-enable input

13

I/O

14

I/O

15

I/O

17

I/O

Data input/output

18

I/O

19

I/O

20

I/O

21

I/O

1

-

NC

No connect

30

-

OE

24

I

Output enable input

32

I

Supply voltage input

16

-

Ground

WE

29

I

Write enable input

When power is valid, the bq4013/Y/LY operates as a standard CMOS SRAM. During power-down and power-up

cycles, the bq4013/Y/LY acts as a nonvolatile memory, automatically protecting and preserving the memory

contents.

2

Submit Documentation Feedback