ICM7170 Overview
ICM7170 Microprocessor-patible, Real-Tim1-e8c8CoN8nl-oOtINaccRkTtEEoCRuOOSrBIMTLSeMoOcErhLNwnEiDwTcEaEwlD.PiSnRRutEeOprPpDsoLiUlrA.CtcCoCTEmeMn/dtEeeNrsTaigtn DATASHEET FN3019 Rev.6.00 Nov 2003 The ICM7170 real time clock is a microprocessor bus patible peripheral, fabricated using Intersil’s silicon gate CMOS LSl process. An 8-bit bidirectional bus is used for the data I/O circuitry. The clock is set or read by...
ICM7170 Key Features
- 8-Bit, P Bus patible
- Multiplexed or Direct Addressing
- Regulated Oscillator Supply Ensures Frequency Stability and Low Power
- Time From 1/100 Seconds to 99 Years
- Software Selectable 12/24 Hour Format
- Latched Time Data Ensures No Roll Over During Read
- Full Calendar with Automatic Leap Year Correction
- On-Chip Battery Backup Switchover Circuit
- Access Time Less than 300ns
- 4 Programmable Crystal Oscillator Frequencies Over Industrial Temperature Range
