Microchip Technology

93LC66A-E/SN

93LC66A-E/SN Description

The 93LC66A-E/SN from Microchip Technology is a 4Kbit (512 x 8) serial EEPROM with a Microwire interface, designed for reliable non-volatile data storage in embedded systems. Operating across a 2.5V to 5.5V supply range, it supports a 2MHz clock frequency, ensuring fast read/write operations. With a 6ms write cycle time (word/page), it balances speed and endurance, making it suitable for frequent data updates. Packaged in an 8-SOIC tube, this RoHS3-compliant, REACH-unaffected device is ideal for surface-mount applications in industrial, automotive, and consumer electronics.

93LC66A-E/SN Features

• Memory Organization: 512 x 8 (4Kbit) for flexible byte-level access.
• Wide Voltage Range: Operates from 2.5V to 5.5V, compatible with 3.3V and 5V systems.
• High-Speed Interface: Microwire serial protocol with 2MHz clock for efficient data transfer.
• Fast Write Cycles: 6ms word/page write time, enhancing real-time performance.
• Robust Endurance: Designed for high-write-cycle applications with EEPROM reliability.
• Compact & Reliable: 8-SOIC package with MSL1 (unlimited) moisture sensitivity, suited for automated assembly.
• Compliance: RoHS3, REACH, and EAR99 certified for global deployment.

93LC66A-E/SN Applications

• Industrial Control Systems: Stores calibration data, device settings, and event logs.
• Automotive Electronics: Retains critical parameters in infotainment, telematics, and ECUs.
• Consumer Devices: Used in smart appliances, wearables, and IoT nodes for configuration storage.
• Medical Equipment: Safeguards firmware and operational parameters in portable devices.
• Embedded Systems: Ideal for microcontrollers requiring small-footprint, low-power EEPROM.

Conclusion of 93LC66A-E/SN

The 93LC66A-E/SN combines high performance, low-power operation, and robust packaging, making it a versatile choice for applications demanding reliable non-volatile memory. Its Microwire interface, wide voltage range, and fast write cycles distinguish it from competitors, while compliance with RoHS3 and REACH ensures environmental and regulatory suitability. Whether for industrial, automotive, or consumer use, this EEPROM delivers endurance, speed, and ease of integration.