ICM7170MDG/883B

Microprocessor-Compatible, Real-Time Clock

 

 

 

Features

8-Bit, µP Bus Compatible

- 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

3 Programmable Crystal Oscillator Frequencies Over

Military Temperature Range

On-Chip Alarm Comparator and RAM

Interrupts from Alarm and 6 Selectable Periodic

Intervals

Standby Micro-Power Operation: 1.2µA Typical at 3.0V

and 32kHz Crystal

 

 

Applications

Portable and Personal Computers

Data Logging

Industrial Control Systems

Point Of Sale

 

 

 

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