DS1501/DS1511 Y2K Watchdog Real-Time Clock

Maxim/Dallas Semiconductor cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim/Dallas Semiconductor product.

No circuit patent licenses are implied. Maxim/Dallas Semiconductor reserves the right to change the circuitry and specifications without notice at any time.

Ma xi m Integr at ed Pr oducts, 120 San Gabr i el Dr ive, Sunnyval e, CA 94086 40 8- 737- 7600

© 2004 Maxim Integrated Products

· Printed USA

20 of 20

TYPICAL OPERATING CIRCUITS

PACKAGE INFORMATION

(For the latest package outline information, go to www.maxim-ic.com/DallasPackInfo.)

Dallas

Semiconductor

DS1501

CPU

IRQ

RST

GND

X2

X1

RPU

CRYSTAL

SQW

DQ0–DQ7

RST

WE

OE

KS

PWR

CE

A0–A4

IRQ

GND

Dallas

Semiconductor

DS1511

CPU

IRQ

RST

GND

RPU

SQW

DQ0–DQ7

RST

WE

OE

KS

PWR

CE

A0–A4

IRQ

GND