Microchip Technology

25CSM04-I/SN

25CSM04-I/SN Description

The 25CSM04-I/SN from Microchip Technology is a 4Mbit (512K x 8) SPI Serial EEPROM designed for high-performance, low-power embedded systems. Operating within a 2.5V to 5.5V supply range, it supports a clock frequency of 8 MHz, enabling rapid data transfer for demanding applications. The device features a SPI interface, ensuring seamless integration with microcontrollers and other digital systems. With a 5ms write cycle time for word or page operations, it balances speed and reliability, making it suitable for frequent read/write operations. Housed in an 8-SOIC package, it is ideal for space-constrained designs while maintaining robustness for industrial environments.

25CSM04-I/SN Features

• High-Speed SPI Interface: Supports 8 MHz clock frequency for efficient data transfer.
• Wide Voltage Range: Operates from 2.5V to 5.5V, accommodating diverse power supply configurations.
• Fast Write Cycle: 5ms word/page write time enhances performance in dynamic applications.
• Industrial Reliability: ROHS3 Compliant and REACH Unaffected, ensuring environmental and regulatory compliance.
• Extended Temperature Support: Suitable for harsh operating conditions.
• Surface-Mount Design: 8-SOIC package optimizes PCB space utilization.
• High Endurance: Designed for frequent read/write cycles, making it ideal for data logging and configuration storage.

25CSM04-I/SN Applications

• Automotive Systems: Stores calibration data, event logs, and firmware updates in ECUs and infotainment systems.
• Industrial Automation: Retains configuration parameters and operational logs in PLCs and sensors.
• Consumer Electronics: Used in smart devices for firmware storage and user settings.
• Medical Devices: Secures critical data in portable and implantable medical equipment.
• IoT Edge Devices: Provides non-volatile memory for sensor nodes and gateways requiring low-power operation.

Conclusion of 25CSM04-I/SN

The 25CSM04-I/SN stands out as a high-performance EEPROM with SPI interface, wide voltage compatibility, and industrial-grade reliability. Its fast write cycles and compact form factor make it a versatile choice for automotive, industrial, and IoT applications where data integrity and power efficiency are critical. Microchip’s proven quality ensures long-term durability, making this EEPROM a dependable solution for embedded memory needs.