Serial Access Real-Time Clock With Alarms

The M41T81S is a low power Serial RTC with a built-in 32.768kHz Oscillator (external crystal controlled). Eight bytes of the SRAM (see Table 2: Clock Register map on page 15) are used for the Clock calendar function and are configured in binary coded decimal (BCD) format. An additional 12 bytes of SRAM provide status/control of Alarm, Watchdog and Square Wave 2 functions. Addresses and data are transferred serially via a two line, bi-directional I C Interface The built-in address Register is incremented automatically after each WRITE or READ data byte. By STMicroelectronics
M41T81S 's PackagesM41T81S 's pdf datasheet

M41T81S Pinout, Pinouts
M41T81S pinout,Pin out
This is one package pinout of M41T81S,If you need more pinouts please download M41T81S's pdf datasheet.

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