M41T00S_08 Datasheet, PDF (1/26 Pages) STMicroelectronics – Serial access real-time clock

Features
■ 2.0 to 5.5 V clock operating voltage
■ Counters for seconds, minutes, hours, day,
date, month, year, and century
■ Software clock calibration
■ Automatic switchover and deselect circuitry
(fixed reference)
– V_CC = 2.7 to 5.5 V
2.5V ≤ V_PFD ≤ 2.7 V
■ Serial interface supports I²C bus (400 kHz
protocol)
■ Low operating current of 300 µA
■ Oscillator stop detection
■ Battery or SuperCap™ backup
■ Operating temperature of –40 to 85°C
■ Ultra-low battery supply current of 1 µA
M41T00S
Serial access real-time clock
8
1
SO8 (M)
8-pin SOIC
May 2008
Rev 4
1/26
www.st.com
1