3.3V Single-Piece 1Mb Nonvolatile SRAM

with Clock

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

© 2005 Maxim Integrated Products

Printed USA

is a registered trademark of Maxim Integrated Products, Inc.

is a registered trademark of Dallas Semiconductor Corporation.

Heaney

DS3045W BGA modules are recognized by Underwriters Laboratory (UL) under file E99151.

Pin Configuration

A

12

34

78

9

0

5

6

7

8

90

1

2

34

56

1

2

34

1

1

1

2

5

67

8

9

1

1

1

1

1

1

1

11

1

2

1

1

1

11

1

1

7

8

9

0

0

1

2

3

4

5

6

DS3045W

B

C

D

E

F

G

H

J

K

L

M

N

P

R

T

U

V

W

Y

A

B

C

D

E

F

G

H

J

K

L

M

N

P

R

T

U

V

W

Y

TOP VIEW

GND

IRQ/FT

A15

A16

RST

WE

OE

CE

DQ7

DQ6

DQ5

DQ4

DQ3

DQ2

DQ1

DQ0

GND

GND

GND

GND

N.C.

N.C.

A14

A13

A12

A11

A10

A9

A8

A7

A6

A5

A4

A3

A2

A1

A0

GND

GND

Package Information

(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information

go to www.maxim-ic.com/DallasPackInfo.)