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ICM7249 Datasheet Micro-power Event/hour Meter

Manufacturer: Intersil (now Renesas)

Overview: ICM7249 August 1997 5 1/2 Digit LCD, Micro-Power Event/Hour Meter.

General Description

The ICM7249 Timer/Counter is intended for long-term battery-supported industrial applications.

The ICM7249 typically draws 1µA during active timing or counting, due to Intersil’ special low-power design techniques.

This allows more than 10 years of continuous operation without battery replacement.

Key Features

  • Hour Meter Requires Only 4 Parts Total.
  • Micropower Operation: < 1µA at 2.8V (Typ).
  • 10 Year Operation On One Lithium Cell. 21/2 Year Battery Life with Display Connected.
  • Directly Drives 51/2 Digit LCD.
  • 14 Programmable Modes of Operation.
  • Times Hrs. , 0.1 Hrs. , 0.01 Hrs. , 0.1 Mins.
  • Counts 1’s, 10’s, 100’s, 1000’s.
  • Dual Function Input Circuit - Selectable Debounce for Counter - High-Pass Filter for Timer.
  • Direct AC Li.

ICM7249 Distributor

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