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MAX31334 Datasheet Ultra-low-power Real Time Clock

Manufacturer: Analog Devices

Overview: MAX31334 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.

General Description

GND VCC PSW SDA SCL DIN 12 11 10 9 8 7 + 1 2 34 56 N.C.

VBAT X2 X1 INTA INTB/ 12-TDFN (3mm x 3mm) CLKOUT See more Who should use this part.

Ordering Information appears at end of data sheet 19-101569;

Key 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 See more Product Highlights Key.

MAX31334 Distributor