ICM7249
Overview
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.
- 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 Line Triggering with Input Resistor
- Winking “Timer Active” Display Output
