Microchip Technology AT28C256E-15JI

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AT28C256E-15JI - 256Kbit Parallel EEPROM

The AT28C256E-15JI from Microchip Technology is a high-performance 256Kbit (32K x 8) parallel EEPROM designed for reliable non-volatile data storage in demanding industrial, automotive, aerospace, and telecommunications applications. With a fast 150ns access time and wide operating temperature range of -40°C to 85°C, this EEPROM delivers consistent performance across harsh environments.

Key Features & Benefits

  • 256Kbit Memory Capacity: 32K x 8 organization provides ample storage for configuration data, calibration parameters, and firmware
  • Fast 150ns Access Time: Enables rapid read operations for time-critical applications
  • Parallel Interface: Simplifies integration with microcontrollers and processors
  • Wide Voltage Range: 4.5V to 5.5V supply voltage ensures compatibility with standard 5V systems
  • Industrial Temperature Grade: -40°C to 85°C operating range for reliable performance in extreme conditions
  • Surface Mount Package: 32-PLCC (13.97x11.43mm) J-lead package optimized for automated assembly
  • 10ms Write Cycle: Efficient page/word write operations

Typical Applications

  • Embedded system configuration storage
  • Automotive ECU calibration data
  • Industrial control parameter storage
  • Telecommunications equipment settings
  • Medical device data logging
  • Aerospace avionics systems

All specifications are guaranteed by Microchip Technology. This component offers full traceability and long lifecycle support for critical applications.

Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube | Tube
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 256Kbit
Memory Organization 32K x 8
Memory Interface Parallel
Clock Frequency -
Write Cycle Time - Word, Page 10ms
Access Time 150 ns
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TC)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 32-LCC (J-Lead)
Supplier Device Package 32-PLCC (13.97x11.43)