ST M41T80 SERIAL ACCESS RTC WITH ALARMS handbook

Update: 30 September, 2023

The M41T80 is a serial access RTC chip with alarms. It operates at a voltage of 2.0-5.5V and has counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century. It supports the I2C bus (400KHz) and has programmable alarm and interrupt functions. It has a working current of 200µA and a working temperature of -40 to 85°C.

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MD5 Checksum: 574C6850F87A85A576B4D164C50CD3A7

Publication date: 10 May, 2012

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PDF Link: ST M41T80 SERIAL ACCESS RTC WITH ALARMS handbook PDF