Microchip Technology

93LC66-I/SN  

Memory ICs Products

93LC66-I/SN Description

The 93LC66-I/SN from Microchip Technology is a 4Kbit (512 x 8 or 256 x 16) serial EEPROM featuring the Microwire interface, designed for reliable non-volatile data storage in embedded systems. Operating across a wide voltage range (2.5V to 5.5V), it supports 2 MHz clock frequency for high-speed data transfers, making it suitable for performance-critical applications. With a 10ms write cycle time (word/page), it ensures efficient updates with minimal delay. Housed in an 8-pin SOIC package, this RoHS3-compliant device is ideal for surface-mount designs, offering robust performance in industrial, automotive, and consumer electronics.

93LC66-I/SN Features

• Memory Organization: Configurable as 512 x 8 or 256 x 16 for flexible data handling.
• Low-Power Operation: Supports 2.5V to 5.5V, enabling use in battery-powered devices.
• High-Speed Interface: Microwire protocol with 2 MHz clock frequency for fast read/write operations.
• Endurance & Reliability: EEPROM technology ensures 100,000+ write cycles and 200-year data retention.
• Compact & Robust: 8-pin SOIC package with MSL 3 (168-hour floor life) for easy integration.
• Compliance: RoHS3, REACH unaffected, and EAR99 (export-friendly).

93LC66-I/SN Applications

• Industrial Controls: Stores calibration data, device parameters, and event logs in PLCs and sensors.
• Automotive Systems: Retains critical settings in infotainment, dashboards, and ECUs.
• Consumer Electronics: Used in smart appliances, IoT devices, and wearables for configuration storage.
• Medical Devices: Safeguards firmware and patient data in portable diagnostic equipment.
• Embedded Systems: Ideal for microcontrollers needing small-footprint, non-volatile memory.

Conclusion of 93LC66-I/SN

The 93LC66-I/SN stands out for its versatile memory organization, wide voltage range, and high-speed Microwire interface, making it a superior choice for applications demanding reliability and compactness. Its low-power operation and industrial-grade endurance cater to harsh environments, while RoHS3 compliance ensures eco-friendly integration. Whether for automotive, industrial, or consumer electronics, this EEPROM delivers optimal performance in space-constrained designs.

93LC66-I/SN Documents

Download datasheets and manufacturer documentation for 93LC66-I/SN

PCN Assembly/Origin :

Manufacturing Change 07/Apr/2022      

Datasheets :

93LC46, 56, 66      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

93LC66 Development Tool Selector      

HTML Datasheet :

93LC46, 56, 66      

PCN Design/Specification :

PdCu Bond Wire Update 21/Sep/2015      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH