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M41T56M6F

Serial real-time clock (RTC) with 56 bytes NVRAM

Operating RangeIndustrial
Supply Voltage Min Volt4.5
Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack3
GradeIndustrial
Package NameSO-8

The M41T56 is a low-power, serial real-time clock (RTC) with 56 bytes of NVRAM. A built-in 32,768 Hz 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...
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Key features
  • Counters for seconds, minutes, hours, day, date, month, years, and century
  • 32 KHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional oscillator stability and high crystal series resistance operation
  • Serial interface supports I2C bus (100 kHz protocol)
  • Ultra-low battery supply current of 450 nA (typ at 3 V)
  • 5 V ±10% supply voltage
  • Timekeeping down to 2.5 V
  • Automatic power-fail detect and switch circuitry
  • 56 bytes of general purpose RAM
  • Software clock calibration to compensate crystal deviation due to temperature
  • Automatic leap year compensation
  • Operating temperature of –40 °C to 85 °C
  • Available in an 8-lead, 150-mil, plastic SOIC (SO8)
  • RoHS compliant
    • Lead-free second level interconnect
In stock
Quantity $ per unit Savings
1-9$3.330%
10-24$3.0010%
25-99$2.8315%
100-120$2.4626%
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$3.33
$3.33
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Operating RangeIndustrial
Supply Voltage Min Volt4.5
Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack3
GradeIndustrial
Package NameSO-8

The M41T56 is a low-power, serial real-time clock (RTC) with 56 bytes of NVRAM. A built-in 32,768 Hz 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...
Read More

Key features
  • Counters for seconds, minutes, hours, day, date, month, years, and century
  • 32 KHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional oscillator stability and high crystal series resistance operation
  • Serial interface supports I2C bus (100 kHz protocol)
  • Ultra-low battery supply current of 450 nA (typ at 3 V)
  • 5 V ±10% supply voltage
  • Timekeeping down to 2.5 V
  • Automatic power-fail detect and switch circuitry
  • 56 bytes of general purpose RAM
  • Software clock calibration to compensate crystal deviation due to temperature
  • Automatic leap year compensation
  • Operating temperature of –40 °C to 85 °C
  • Available in an 8-lead, 150-mil, plastic SOIC (SO8)
  • RoHS compliant
    • Lead-free second level interconnect