Microchip Technology

AT28HC64B-70SU  

Memory ICs Products

AT28HC64B-70SU Description

The AT28HC64B-70SU from Microchip Technology is a high-performance 64Kbit (8K x 8) parallel EEPROM designed for applications requiring fast access times and reliable non-volatile memory. This surface-mount device operates within a 4.5V to 5.5V supply range, making it compatible with standard 5V systems. With an access time of 70ns and a write cycle time of 10ms, it offers a balanced combination of speed and endurance. The parallel memory interface ensures efficient data transfer, while its ROHS3 compliance and REACH unaffected status make it suitable for environmentally conscious designs. Packaged in a 28-SOIC tube, it is ideal for automated assembly processes.

AT28HC64B-70SU Features

• High-Speed Performance: 70ns access time for rapid read operations, critical for real-time systems.
• Reliable EEPROM Technology: Non-volatile storage with 10ms write cycle time, supporting both word and page writes.
• Wide Voltage Range: Operates from 4.5V to 5.5V, ensuring compatibility with 5V logic systems.
• Industrial-Grade Durability: MSL 3 (168 hours) moisture sensitivity level for robust handling in manufacturing.
• Parallel Interface: Enables efficient data transfer for high-throughput applications.
• Compliance: ROHS3 and REACH compliant, meeting global environmental standards.

AT28HC64B-70SU Applications

The AT28HC64B-70SU is ideal for embedded systems requiring fast, non-volatile memory, including:

• Industrial Control Systems: Stores configuration data and firmware updates with high reliability.
• Automotive Electronics: Used in ECUs and infotainment systems for parameter storage.
• Medical Devices: Provides secure storage for critical calibration data and operational logs.
• Telecommunications: Buffers and stores data in networking equipment.
• Consumer Electronics: Supports firmware and user settings in smart appliances.

Conclusion of AT28HC64B-70SU

The AT28HC64B-70SU stands out as a high-speed, reliable parallel EEPROM for 5V systems, combining fast access times, low-power operation, and industrial-grade durability. Its parallel interface and wide voltage range make it versatile for demanding applications in automotive, industrial, and consumer electronics. With Microchip's proven quality and compliance with environmental standards, this memory IC is a robust choice for designers seeking performance and longevity in non-volatile storage solutions.

AT28HC64B-70SU Documents

Download datasheets and manufacturer documentation for AT28HC64B-70SU

PCN Assembly/Origin :

AT28BV64Bxx/AT28C64Bxx/AT28HC64Bxx 25/Jan/2021      

Datasheets :

AT28HC64B      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

AT28HC64B Development Tool Selector      

HTML Datasheet :

AT28HC64B      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       AT28HC64B/AT28HC64BF Datasheet 18/Sep/2023      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH