Microchip Technology

93AA66BT-I/SN

93AA66BT-I/SN Description

The 93AA66BT-I/SN is a 4Kbit Microwire-compatible serial EEPROM from Microchip Technology, designed for high-performance, low-power data storage in embedded systems. Organized as 256 x 16 bits, it operates across a wide voltage range (1.8V–5.5V), making it suitable for both 3.3V and 5V systems. With a 2 MHz clock frequency and 6ms write cycle time, it balances speed and reliability for non-volatile memory applications. The device is housed in an 8-SOIC package with surface-mount compatibility, ensuring compact integration into space-constrained designs.

93AA66BT-I/SN Features

• Low-Power Operation: Supports 1.8V–5.5V supply, ideal for battery-powered and portable devices.
• High-Speed Interface: Microwire (3-wire serial) protocol ensures efficient communication with microcontrollers.
• Endurance & Retention: Robust EEPROM technology with high write endurance and long-term data retention.
• Industrial Compliance: ROHS3 compliant, REACH unaffected, and MSL 1 (Unlimited) rated for reliability in harsh environments.
• Programmable Flexibility: Verified DigiKey programmable option simplifies customization and prototyping.

93AA66BT-I/SN Applications

• Consumer Electronics: Stores configuration data in smart home devices, wearables, and IoT sensors.
• Automotive Systems: Retains calibration data and event logs in infotainment and telematics.
• Industrial Control: Safeguards parameters in PLCs, motor controllers, and instrumentation.
• Medical Devices: Secures firmware and patient data in portable diagnostic equipment.
• Embedded Systems: Ideal for firmware storage in microcontrollers and FPGA-based designs.

Conclusion of 93AA66BT-I/SN

The 93AA66BT-I/SN stands out for its wide voltage range, Microwire compatibility, and industrial-grade reliability, making it a versatile choice for diverse embedded applications. Its low-power operation, fast write cycles, and compact form factor provide a competitive edge over similar EEPROMs, particularly in energy-sensitive and space-constrained designs. Whether for automotive, industrial, or consumer electronics, this EEPROM delivers a robust, scalable memory solution.