Microchip Technology

AT28HC64B-70SU-T

AT28HC64B-70SU-T Description

The AT28HC64B-70SU-T from Microchip Technology is a high-performance 64Kbit (8K x 8) parallel EEPROM designed for applications requiring reliable non-volatile memory with fast access times. This surface-mount device operates within a 4.5V to 5.5V supply range and features a 70ns access time, making it suitable for high-speed systems. With a 10ms write cycle time (word or page), it balances speed and endurance, ideal for frequent data updates. The device is RoHS3 compliant and adheres to REACH regulations, ensuring environmental and safety compliance. Packaged in a 28-SOIC format with Tape & Reel (TR), it is optimized for automated assembly processes.

AT28HC64B-70SU-T Features

• Memory Organization: 8K x 8 parallel EEPROM for flexible data storage.
• High-Speed Performance: 70ns access time and 10ms write cycle for efficient read/write operations.
• Wide Voltage Range: Operates from 4.5V to 5.5V, compatible with standard 5V systems.
• Endurance & Reliability: Designed for high write-cycle endurance, suitable for frequent updates.
• Industrial Compliance: RoHS3 compliant, REACH unaffected, and MSL3 (168 hours) rated for robust handling.
• Surface-Mount Design: 28-SOIC package with Tape & Reel for streamlined manufacturing.

AT28HC64B-70SU-T Applications

• Embedded Systems: Ideal for firmware storage in microcontrollers and industrial control systems.
• Automotive Electronics: Used in infotainment, telematics, and ECU configurations due to its reliability.
• Medical Devices: Suitable for critical data logging in portable and stationary medical equipment.
• Communication Hardware: Employed in routers, switches, and networking devices for parameter storage.
• Industrial Automation: Supports PLCs, sensors, and IoT devices requiring non-volatile memory.

Conclusion of AT28HC64B-70SU-T

The AT28HC64B-70SU-T stands out as a high-speed, durable EEPROM solution for demanding applications. Its parallel interface, fast access time, and industrial-grade reliability make it a preferred choice over slower serial EEPROMs in performance-critical systems. Whether in automotive, medical, or embedded designs, this device delivers consistent performance, ease of integration, and long-term data retention, solidifying its role in advanced electronic architectures.