STMicroelectronics, M41T82RM6F

Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Ultra-low battery supply current of 365 nA
Factory-calibrated accuracy of ±5 ppm typical after 2 reflows (SOX18)
Much better accuracies achievable using built-in programmable analog and digital calibration circuits
2.0 V to 5.5 V clock operating voltage
Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century
Automatic switchover and reset output circuitry (fixed reference)
M41T83S: VCC= 3.00 V to 5.50 V
M41T83R: VCC= 2.70 V to 5.50 V
M41T83Z: VCC= 2.38 V to 5.50 V
Serial interface supports I2C bus (400 kHz protocol)
Programmable alarm with interrupt function (valid even during battery backup mode)
Optional 2ndprogrammable alarm available
Square wave output defaults to 32 KHz on power-up (M41T83 only)
RESET (RST) output
Watchdog timer
Programmable 8-bit counter/timer
7 bytes of battery-backed user SRAM
Battery low flag
Low operating current of 80 μA
Oscillator stop detection
Battery or SuperCap™ backup
Operating temperature of –40 °C to 85 °C
Package options
a 16-lead QFN (M41T83)
an 8-lead SOIC (M41T82) or
an 18-lead embedded crystal SOIC (M41T83)

Attribute Value
Functions Alarm, Battery Backup, Calendar, Watchdog Timer
Date Format Binary, D:D:M:Y:C
User RAM 32bit
Bus Type Serial-2 Wire, Serial-I2C
Mounting Type Surface Mount
Package Type SO
Pin Count 8
Dimensions 5 x 4 x 1.5mm
Length 5mm
Width 4mm
Height 1.5mm
Maximum Operating Supply Voltage 5.5 V
Minimum Operating Temperature -40 °C
Maximum Operating Temperature +85 °C
Minimum Operating Supply Voltage 2.7 V
3103 In stock for delivery within 6 working days
Price (VAT excluded) Each
Was TWD499.00
TWD 87.00
(exc. GST)
TWD 91.00
(inc. GST)
Per unit
1 +
Packaging Options: