ICM7170IPG中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

Features

? 8-Bit, ?P 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: 1.2?A Typical at 3.0V

and 32kHz Crystal

Applications

? Portable and Personal Computers

? Data Logging

? Industrial Control Systems

? Point Of Sale

Related Literature

? Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”