EURO QUARTZ
ERV-4162
2
Real Time Clock Module with I C Bus
FEATURES
Ultra-small ceramic package
Integrated 32.768kHz crystal
I2C Interface, address: D0h
Frequency-offset Trimming Register
Programmable Alarm and Interrupt
Oscillator Fail Detection
Watchdog Timer
Programmbale Clock Output
Time-keeping Mode down to 1.0V
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OUTLINE & DIMENSIONS
DESCRIPTION
This very small SMD-packaged RTC module combines a 32.768kHz
crystal with a CMOS-based oscillator and real-time clock circuitry. The
clock function provides tenths/hundredths of seconds, seconds,
minutes and hours. The calendar function tracks date, month, year
and century with autimatic leap year compensation. Programmable
CLKOUT frequencies, alarm settings and watchdog function increase
flexibility.
The parts are available on 12mm tape and 178mm (7") reel with
either 1000 or 3000 pieces per reel.
BLOCK DIAGRAM
PAD CONNECTIONS (Top view)
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk
