Microchip Technology

93AA46B-I/ST

93AA46B-I/ST Description

The 93AA46B-I/ST from Microchip Technology is a 1Kbit (64 x 16) serial EEPROM designed for low-power, high-reliability applications. It operates over a wide voltage range (1.8V to 5.5V), making it suitable for both battery-powered and industrial systems. The device employs the Microwire (3-wire) serial interface, ensuring efficient communication with microcontrollers and other digital systems. With a 2 MHz clock frequency, it delivers fast read/write operations, while its 6ms write cycle time ensures robust data retention. Packaged in an 8-pin TSSOP and compliant with RoHS3 and REACH standards, it is ideal for space-constrained designs requiring surface-mount assembly.

93AA46B-I/ST Features

• Memory Size & Organization: 1Kbit (64 words x 16 bits) for flexible data storage.
• Low Voltage Operation: Supports 1.8V to 5.5V, enabling compatibility with diverse power supplies.
• High-Speed Interface: Microwire (3-wire) serial protocol with 2 MHz clock frequency for rapid data transfer.
• Fast Write Cycle: 6ms word/page write time, enhancing efficiency in frequent updates.
• Robust Reliability: Endurance of 1 million write cycles and 100-year data retention.
• Compact & Compliant: 8-TSSOP package, RoHS3 compliant, and MSL1 (unlimited shelf life) for easy integration.
• Wide Temp Range: Suitable for industrial and automotive environments.

93AA46B-I/ST Applications

• Consumer Electronics: Stores configuration data in smart home devices, wearables, and IoT sensors.
• Industrial Systems: Retains calibration data in PLCs, motor controllers, and instrumentation.
• Automotive: Used in infotainment systems, dashboards, and telematics for non-volatile memory needs.
• Medical Devices: Secures critical parameters in portable diagnostic equipment.
• Embedded Systems: Ideal for firmware storage in microcontrollers and FPGA-based designs.

Conclusion of 93AA46B-I/ST

The 93AA46B-I/ST stands out for its low-voltage versatility, high-speed Microwire interface, and compact footprint, making it a top choice for applications demanding reliable, low-power EEPROM storage. Its industrial-grade durability and compliance with environmental standards ensure long-term performance in harsh operating conditions. Whether for consumer, automotive, or industrial use, this EEPROM delivers a cost-effective, high-performance solution for non-volatile memory requirements.