FEATURES

Real-Time Clock (RTC) Counts Seconds,

Minutes, Hours, Date of the Month, Month,

Day of the Week, and Year with Leap-Year

Compensation Valid Up to 2100

96-Byte, Battery-Backed NV RAM for Data

Storage

Two Time-Of-Day Alarms, Programmable

on Combination of Seconds, Minutes, Hours,

and Day of the Week

Supports Motorola SPI™ (Serial Peripheral

Interface) Modes 1 and 3 or Standard 3-Wire

Interface

Burst Mode for Reading/Writing Successive

Addresses in Clock/RAM

Dual-Power Supply Pins for Primary and

Backup Power Supplies

Optional Trickle Charge Output to Backup

Supply

2.0V to 5.5V Operation

Optional Industrial Temperature Range:

-
C to +85C

Available in Space-Efficient, 20-Pin TSSOP

Package

Underwriters Laboratory (UL) Recognized