Microchip Technology

AT28BV256-20SU-T

AT28BV256-20SU-T Description

The AT28BV256-20SU-T is a high-performance 256Kbit (32K x 8) parallel EEPROM from Microchip Technology, designed for reliable non-volatile data storage in low-power embedded systems. Operating within a 2.7V to 3.6V supply range, it is optimized for battery-powered applications requiring minimal energy consumption. With a 200ns access time and a 10ms write cycle time (word/page), it balances speed and efficiency, making it suitable for real-time data logging and configuration storage. The device is housed in a 28-SOIC surface-mount package, ensuring compact integration into space-constrained designs. Compliant with RoHS3 and REACH standards, it meets stringent environmental and safety requirements.

AT28BV256-20SU-T Features

• Memory Organization: 32K x 8 parallel EEPROM for flexible byte-wide addressing.
• Low-Voltage Operation: Supports 2.7V–3.6V, ideal for portable and battery-operated devices.
• Fast Access Time: 200ns read speed ensures responsive performance in time-critical applications.
• Reliable Write Endurance: Industry-standard 10ms write cycle for word/page operations.
• Surface-Mount Packaging: 28-SOIC (Tape & Reel) enables automated assembly and high-density PCB layouts.
• Environmental Compliance: RoHS3 and REACH Unaffected certifications for global deployment.
• Extended Temperature Range: Suitable for industrial and automotive environments.

AT28BV256-20SU-T Applications

• Embedded Systems: Firmware storage, configuration parameters, and boot code in microcontrollers.
• Industrial Automation: Non-volatile memory for PLCs, sensors, and control modules.
• Consumer Electronics: Data retention in smart meters, wearables, and IoT edge devices.
• Automotive Electronics: Calibration tables and event logging in infotainment/ECUs.
• Medical Devices: Secure storage for patient data and device settings in portable medical equipment.

Conclusion of AT28BV256-20SU-T

The AT28BV256-20SU-T stands out as a robust, low-power parallel EEPROM solution for applications demanding reliable non-volatile memory with moderate speed and energy efficiency. Its 3.6V max voltage and surface-mount design make it a versatile choice for modern electronics, while its industrial-grade reliability ensures longevity in harsh environments. Engineers will appreciate its balance of performance, cost-effectiveness, and compliance with global standards, positioning it as a preferred alternative to flash or FRAM in many use cases.