25CS640T-E/MS36KVAO

Overview

The Microchip Technology 25CS640T-E/MS36KVAO is a 64 Kbit Serial EEPROM utilizing an SPI-compatible interface. It features a 20 MHz maximum clock frequency and operates within a voltage range of 1.8 V to 5.5 V. The device offers 200-year data retention and supports temperatures from -40°C to +125°C. Packaged in an 8-MSOP with tape-and-reel shipping, it includes hardware ECC for enhanced reliability.

Feature Summary

• Hardware-based Error Correction Code (ECC) implementation ensures data integrity during storage operations.
• SPI serial interface compatibility allows for high-speed communication up to 20 MHz.
• Automotive-grade qualification supports reliable operation across extended industrial temperature ranges.

Applications

• Automotive electronic control units requiring robust non-volatile memory
• Industrial systems demanding high data retention and error correction
• Embedded applications utilizing SPI bus architectures

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and shipping format. Ensure the component meets required automotive or industrial standards for your specific application environment before finalizing procurement decisions.

Selection Notes

Select this part when SPI interface speed and hardware ECC are critical requirements. Compare against standard EEPROMs if error correction overhead is unnecessary. Verify voltage compatibility with the target system's power supply rails.

Part Context

This component belongs to the 25CS series of Serial EEPROMs designed by Microchip Technology. The series emphasizes reliability through integrated ECC capabilities and broad operating voltage ranges suitable for diverse embedded environments.

Replacement Considerations

Consult official Microchip substitution guides for verified alternatives. Generic EEPROM replacements may lack the specific ECC functionality or automotive qualification required for this application.