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M41T56 Datasheet PDF

Part Series:M41T56 Series
Category:Real Time Clocks
Description:Real Time Clock (RTC) IC Clock/Calendar 56B I2C, 2-Wire Serial 8-SOIC (0.154", 3.9mm Width)
Document:M41T56M6F Datasheet PDF (28 Pages)

M41T56 Real Time Clocks Datasheet PDF

#1
M41T56M6F
3.4
ST Microelectronics
#2
M41T56M6E
1.2
ST Microelectronics
#3
M41T56MH6F
0.6
ST Microelectronics
#4
M41T56MH6E
0.3
ST Microelectronics

M41T56 Datasheet PDF Real Time Clocks

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M41T56M6F - ST Microelectronics Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
8 Pin
Supply Voltage (DC)
4.50V (min)
Case/Package
SOIC-8
Number of Positions
8 Position
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M41T56M6F - ST Microelectronics Function Overview

The M41T56M6F is a low-power, serial Real-time Clock (RTC) IC with 56 bytes of NVRAM. A built-in 32768Hz oscillator (external crystal controlled) and the first 8 bytes of the RAM are used for the clock/calendar function and are configured in binary coded decimal (BCD) format. Addresses and data are transferred serially via a 2-line, bidirectional bus. The built-in address register is incremented automatically after each WRITE or READ data byte. The clock has a built-in power sense circuit which detects power failures and automatically switches to the battery supply during power failures. The energy needed to sustain the RAM and clock operations can be supplied from a small lithium coin cell.
Counters for seconds, minutes, hours, day, date, month, years and century
Serial interface supports I²C bus (100kHz protocol)
Ultralow battery supply current of 450nA (typical at 3V)
5V ±10% Supply voltage
Timekeeping down to 2.5V
Automatic power-fail detect and switch circuitry
56-byte General purpose RAM
Software clock calibration to compensate crystal deviation due to temperature
Automatic leap year compensation
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