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.
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.
Tech Specifications
Programming Voltage (V)
PPAP
Operating Current (mA)
Memory Type
Product Status
Automotive
Supplier Package
Chip Density (bit)
Package / Case
Technology
Output Enable Access Time (ns)
Voltage - Supply
REACH Status
Maximum Operating Supply Voltage (V)
EU RoHS
Moisture Sensitivity Level (MSL)
Operating Temperature
Memory Interface
ECCN
Memory Organization
Supplier Temperature Grade
Mounting Type
Standard Package Name
Pin Count
Mounting
Memory Size
Max. Access Time (ns)
Lead Shape
Typical Operating Supply Voltage (V)
HTSUS
Package
Programmability
Organization
PCB changed
HTS
ECCN (US)
Supplier Device Package
Address Bus Width (bit)
Minimum Operating Temperature (°C)
Maximum Operating Temperature (°C)
Access Time
Process Technology
Package Height
Mfr
Memory Format
Interface Type
RoHS Status
Package Length
Series
Write Cycle Time - Word, Page
Hardware Data Protection
Part Status
Number of Bits per Word (bit)
Data Retention (Year)
Package Width
Base Product Number
Minimum Operating Supply Voltage (V)
Mounting Style
Unit Weight
Supply Current - Max
RoHS
Supply Voltage - Min
Minimum Operating Temperature
Active Read Current - Max
Operating Supply Current
Moisture Sensitive
Operating Supply Voltage
Maximum Operating Temperature
Supply Voltage - Max
USHTS
Data Retention
AT28BV256-20SU-T Documents
Download datasheets and manufacturer documentation for AT28BV256-20SU-T
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Shipping Rate
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Delivery Methods
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