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MCP7940N-I/MS

Real Time Clock Serial 64byte Clock/Calendar/Alarm/Battery Backup Automotive AEC-Q100 8-Pin MSOP Tube

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Overview of MCP7940N-I/MS

The MCP7940N-I/MS RTC module offers a reliable and accurate timekeeping solution with digital timing compensation and programmable output control. Its low-power design ensures efficiency, while the automatic switch to backup supply guarantees continuous operation. With the use of a 32.768kHz crystal, this Real-Time Clock maintains precise timing through internal registers

Key Features

  • Battery-Backed Real-Time Clock/Calendar (RTCC)
  • Hours, Minutes, Seconds, Day of Week, Day, Month, Year
  • Leap year compensated to 2399
  • 12/24 hour modes
  • On-Chip Digital Trimming/Calibration
  • 1 PPM Resolution
  • ±129 PPM Range
  • Dual Programmable Alarms
  • Versatile Output Pin
  • Clock output with selectable frequency
  • Alarm output
  • General Purpose output
  • Time logged on switchover to and from Battery Backup
  • 64 Bytes Battery-Backed SRAM
  • I2C Clock Frequency up to 400 kHz
  • Operating Voltage 1.8V to 5.5V
  • Backup Voltage 1.3V to 5.5V
  • Low Typical Timekeeping Current
  • Automatic Switchover to Battery Backup

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Real Time Clock RoHS Details
RTC Bus Interface Serial, 2-Wire, I2C Date Format YY-MM-DD-dd
Time Format HH:MM:SS (12 hr, 24 hr) RTC Memory Size 64 B
Package / Case MSOP-8 Battery Backup Switching Backup Switching
Supply Voltage - Min 1.8 V Supply Voltage - Max 5.5 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Mounting Style SMD/SMT Brand Microchip Technology
Function Alarm, Calendar, Clock Moisture Sensitive Yes
Product Type Real Time Clocks Factory Pack Quantity 100
Subcategory Clock & Timer ICs Unit Weight 0.004938 oz

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    Parts Quality Guarantee: 365 days

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