Microchip Technology

AT28HC64B-12JU-T

AT28HC64B-12JU-T Description

The AT28HC64B-12JU-T is a high-performance 64Kbit (8K x 8) parallel EEPROM manufactured by Microchip Technology, designed for applications requiring reliable non-volatile memory with fast access times. Operating within a 4.5V to 5.5V supply range, this surface-mount device features a 120ns access time and a 10ms write cycle time (word/page), making it suitable for high-speed data storage and retrieval. The memory is organized in an 8K x 8 configuration, ensuring compatibility with a wide range of microcontrollers and processors. Packaged in a 32-PLCC format and supplied in Tape & Reel (TR), it is optimized for automated assembly processes.

AT28HC64B-12JU-T Features

• High-Speed Performance: 120ns access time enables rapid data access, critical for real-time systems.
• Parallel Interface: Simplifies integration with microprocessors and reduces latency compared to serial alternatives.
• Wide Voltage Range (4.5V–5.5V): Ensures stable operation across varying power conditions.
• Low Write Cycle Time: 10ms for word/page writes, enhancing efficiency in frequent data updates.
• Industrial-Grade Reliability: ROHS3 Compliant and REACH Unaffected, meeting stringent environmental and safety standards.
• Extended Temperature Support: Suitable for harsh environments, with a Moisture Sensitivity Level (MSL) 3 rating.

AT28HC64B-12JU-T Applications

• Embedded Systems: Stores firmware, configuration data, or calibration parameters in industrial controllers.
• Automotive Electronics: Used in ECUs (Engine Control Units) for fault logging and parameter storage.
• Medical Devices: Reliable memory for critical data retention in diagnostic equipment.
• Telecommunications: Buffering and configuration storage in networking hardware.
• Legacy System Upgrades: Ideal for retrofitting older systems requiring parallel EEPROMs with modern reliability.

Conclusion of AT28HC64B-12JU-T

The AT28HC64B-12JU-T stands out as a robust, high-speed parallel EEPROM, combining fast access times, low power consumption, and industrial durability. Its 8K x 8 organization and 5V operation make it a versatile choice for legacy and modern systems alike. Whether in automotive, medical, or embedded applications, this EEPROM delivers consistent performance, backed by Microchip’s reputation for quality. For engineers seeking a balance of speed, reliability, and ease of integration, the AT28HC64B-12JU-T is a compelling solution.