
Maxim Integrated
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
● 1Hz and 32.768kHz Clock Outputs
● 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: -40°C to +85°C
● Available in Space-Efficient, 20-Pin TSSOP Package
● Underwriters Laboratory (UL) Recognized