Microchip Technology

93LC66BX-I/SN

93LC66BX-I/SN Description

The 93LC66BX-I/SN is a 4Kbit (256 x 16) serial EEPROM from Microchip Technology, designed for reliable non-volatile data storage in embedded systems. It features a Microwire-compatible serial interface, supporting clock frequencies up to 2 MHz, and operates across a wide voltage range of 2.5V to 5.5V, making it suitable for both low-power and standard applications. Housed in an 8-pin SOIC package, this surface-mount device is RoHS3 compliant and rated for unlimited moisture sensitivity (MSL 1), ensuring durability in harsh environments. With a 6ms write cycle time (word/page), it balances speed and endurance for frequent data updates.

93LC66BX-I/SN Features

• Memory Organization: 256 x 16-bit, offering flexible data storage.
• Low Power Consumption: Operates at 2.5V, ideal for battery-powered devices.
• High-Speed Interface: Microwire serial interface with 2 MHz clock support.
• Extended Endurance: Robust EEPROM technology with high write-cycle tolerance.
• Wide Voltage Range: 2.5V–5.5V compatibility for versatile system integration.
• Industrial Reliability: REACH unaffected, RoHS3 compliant, and MSL 1 rated.
• Compact Form Factor: 8-pin SOIC package for space-constrained designs.

93LC66BX-I/SN Applications

This EEPROM excels in applications requiring small-footprint, non-volatile memory with low-power operation, such as:

• Consumer Electronics: Configuration storage in smart home devices.
• Automotive Systems: Parameter retention in infotainment and control modules.
• Industrial Controls: Calibration data logging in sensors and PLCs.
• Medical Devices: Secure firmware storage in portable diagnostics.
• IoT Edge Devices: Persistent memory for firmware updates and sensor data.

Conclusion of 93LC66BX-I/SN

The 93LC66BX-I/SN stands out for its low-voltage operation, high-speed Microwire interface, and industrial-grade reliability, making it a top choice for embedded systems demanding compact, energy-efficient memory. Its wide supply range and robust packaging ensure compatibility across diverse applications, from automotive to IoT. For engineers seeking a cost-effective, high-performance EEPROM, this Microchip solution delivers optimal balance between speed, power, and durability.