Microchip Technology

93C66B-I/P

93C66B-I/P Description

The 93C66B-I/P is a 4Kbit (256 x 16) serial EEPROM from Microchip Technology, designed for reliable non-volatile data storage in embedded systems. It operates over a 4.5V to 5.5V supply range and features a Microwire-compatible serial interface, supporting clock frequencies up to 2 MHz. This through-hole (8DIP) packaged device offers a fast 2ms write cycle time for word or page operations, making it suitable for applications requiring frequent data updates. With RoHS3 compliance and REACH unaffected status, it meets stringent environmental standards while ensuring robust performance in industrial and consumer electronics.

93C66B-I/P Features

• Memory Organization: 256 x 16-bit configuration for flexible data storage.
• High-Speed Interface: Microwire protocol with 2 MHz clock frequency for efficient data transfer.
• Low Power Operation: Optimized for 5V systems, balancing performance and energy efficiency.
• Endurance & Reliability: Robust EEPROM technology with high write-cycle endurance.
• Wide Temperature Range: Suitable for industrial environments (extended operating conditions).
• Non-Volatile Retention: Data integrity maintained without power.
• Easy Integration: 8DIP package simplifies prototyping and through-hole PCB designs.

93C66B-I/P Applications

• Automotive Systems: Stores calibration data, VINs, or event logs in ECUs.
• Industrial Controls: Retains configuration parameters in PLCs and sensors.
• Consumer Electronics: Used in smart appliances, set-top boxes, and gaming peripherals.
• Medical Devices: Secures critical firmware or calibration settings.
• Legacy System Upgrades: Ideal for retrofitting older designs due to through-hole compatibility and Microwire interface.

Conclusion of 93C66B-I/P

The 93C66B-I/P stands out for its balance of speed, reliability, and ease of integration, particularly in 5V systems requiring moderate-density EEPROM storage. Its Microwire interface ensures broad compatibility with legacy microcontrollers, while the 2ms write time enhances real-time data logging. Whether for industrial automation, automotive subsystems, or consumer devices, this EEPROM delivers a cost-effective, durable solution for non-volatile memory needs.