FEATURES

Real-Time Clock Counts Seconds, Minutes,

Hours, Date of the Month, Month, Day of the

Week, and Year with Leap-Year

Compensation Valid Up to 2100

31 x 8 Battery-Backed General-Purpose RAM

Serial I/O for Minimum Pin Count

2.0V to 5.5V Full Operation

Uses Less than 300nA at 2.0V

Single-Byte or Multiple-Byte (Burst Mode)

Data Transfer for Read or Write of Clock or

RAM Data

8-Pin DIP or Optional 8-Pin SO for Surface

Mount

Simple 3-Wire Interface

TTL-Compatible (VCC = 5V)

Optional Industrial Temperature Range:

-40°C to +85°C

DS1202 Compatible

Underwriters Laboratories (UL®)

Recognized