MCP79510T-I/MN

Real Time Clock Overview

The MCP79510T-I/MN is a Real-Time Clock (RTC) integrated circuit manufactured by Microchip Technology. It provides accurate timekeeping with calendar functionality, supporting date formats of YY-MM-DD-day-of-week and time formats in both 12-hour and 24-hour modes. The device operates on a supply voltage range of 1.8V to 3.6V and features an SPI serial interface for communication. It includes 64 bytes of EEPROM and SRAM storage. The component is designed for surface-mount installation in a 10-MSOP package (also referred to as 10-TFSOP/MSOP, 3.00mm wide). It supports battery backup and operates within a temperature range of -40°C to +85°C.

Real Time Clock Feature Summary

• Integrated RTC with calendar and alarm functions
• SPI serial interface for data access
• 64-byte EEPROM and SRAM memory
• Low current consumption: 1µA typical at 1.8V–3.6V

Real Time Clock Applications

• General purpose real-time clocking in embedded systems
• Data logging applications requiring timestamping
• Battery-backed timing solutions for portable devices

Real Time Clock Procurement Notes

Verify the specific suffix 'MN' against official Microchip documentation to confirm the package type corresponds to the WFDFN10_EP or MSOP variant, as distributor listings may vary. Confirm RoHS compliance status and moisture sensitivity level (MSL 2) requirements for your assembly process. Ensure the ordering quantity matches the standard reel packaging specifications provided by the manufacturer.

Real Time Clock Selection Notes

Select this component when an SPI interface is preferred over I2C for RTC functionality. The 64-byte non-volatile memory is suitable for storing calibration data or user information alongside timekeeping. Verify that the system power supply remains within the 1.8V to 3.6V range during all operating conditions to ensure proper RTC operation and memory retention.

Real Time Clock Part Context

This part belongs to the MCP795xx family of compact, 10-pin RTCs from Microchip. These devices are designed to provide accurate timekeeping over a wide temperature range. The MCP79510 variant specifically offers SPI connectivity and onboard memory, distinguishing it from simpler RTC models that may lack EEPROM or use different bus interfaces like I2C.

Real Time Clock Replacement Considerations

Direct pin-to-pin replacements within the same family include the MCP79511 series, which shares similar form factors but may differ in memory configuration or feature sets. Verify compatibility regarding the SPI protocol and register map before substituting.