M41T00S Datasheet, PDF (1/23 Pages) STMicroelectronics – Serial Access Real-Time Clock

M41T00S
Serial Access Real-Time Clock
FEATURES SUMMARY
■ 2.0 TO 5.5V CLOCK OPERATING VOLTAGE
■ COUNTERS FOR SECONDS, MINUTES,
HOURS, DAY, DATE, MONTH, YEAR, AND
CENTURY
■ SOFTWARE CLOCK CALIBRATION
■ AUTOMATIC SWITCH-OVER AND
DESELECT CIRCUITRY (FIXED
REFERENCE)
– V_CC = 2.7 to 5.5V
2.5V ≤ V_PFD ≤ 2.7V
■ SERIAL INTERFACE SUPPORTS I²C BUS
(400kHz PROTOCOL)
■ LOW OPERATING CURRENT OF 300µA
■ OSCILLATOR STOP DETECTION
■ BATTERY OR SUPER-CAP BACK-UP
■ OPERATING TEMPERATURE OF –40 TO
85°C
■ ULTRA-LOW BATTERY SUPPLY CURRENT
OF 1µA
Figure 1. Packages
8
1
SO8 (M)
8-pin SOIC
December 2004
1/23