Product Highlights

• Ultra-Low-Power Real Time Clock

• 70nA Timekeeping Current

• 1.1V to 5.5V Timekeeping Voltage Range

• Automatic Switchover to Backup Supply on

Power Failure

• Trickle Charger for External Supercapacitor

• Integrated Power Switch with State Machine

Increases System Battery Life

• Up to 500mA Continuous Current

• Ultra-Low 57mΩ On-Resistance

• Wakeup on Periodic Interrupt—Countdown Timer

(100ms to 1hr) and Alarms (1s Resolution)

• Wakeup on External Interrupt, Like Pushbutton

• Saves Board Space

• No External Capacitors Required for Crystal

• 1.5mm x 2mm 12-WLP

• 3mm x 3mm 12-TDFN

• Value-Add Features for Ease of Use

• Works with Many 32.768kHz Crystals (no CL

limitation)

• Two Time-of-Day Alarms

• Event Detection and Timestamps

• 1/128 Second Register

• 32 bytes of User RAM

Key Applications

• Electronic Shelf Label

• Ultra-low-power IoT Modules

• Medical Wearables

• Temperature Loggers

• Asset Tracking

• Battery-Powered Devices