Microchip Technology AT25256A-10CI-2.7

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AT25256A-10CI-2.7 - High-Performance 256Kbit SPI EEPROM Memory IC

The AT25256A-10CI-2.7 from Microchip Technology is a premium 256Kbit serial EEPROM memory device engineered for embedded systems, industrial automation, automotive electronics, and IoT applications requiring reliable non-volatile data storage. This high-quality EEPROM IC features a standard SPI interface, wide voltage range operation (2.7V to 5.5V), and industrial-grade temperature performance (-40°C to 85°C), making it ideal for mission-critical applications where data integrity and long-term availability are essential.

Key Features & Benefits

  • 256Kbit Memory Capacity: Organized as 32K x 8, providing ample storage for configuration data, calibration parameters, and system logs
  • High-Speed SPI Interface: 20MHz clock frequency enables fast read/write operations for time-sensitive applications
  • Wide Voltage Range: 2.7V to 5.5V operation ensures compatibility with both 3.3V and 5V systems
  • Industrial Temperature Range: -40°C to 85°C (TA) qualification for harsh environmental conditions
  • Compact 8-TDFN Package: Space-saving 8-LAP (5x6mm) surface mount package optimized for high-density PCB layouts
  • Low Power Consumption: Ideal for battery-powered and energy-efficient designs
  • High Endurance: EEPROM technology ensures reliable write/erase cycles for long product lifecycles

Applications

This versatile EEPROM memory IC is perfect for:

  • Embedded system configuration storage
  • Industrial control and automation
  • Automotive electronics and ECU programming
  • IoT devices and smart sensors
  • Medical equipment data logging
  • Consumer electronics parameter storage
  • Telecommunications infrastructure

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 256Kbit
Memory Organization 32K x 8
Memory Interface SPI
Clock Frequency 20 MHz
Write Cycle Time - Word, Page 5ms
Access Time -
Voltage - Supply 2.7V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-TDFN
Supplier Device Package 8-LAP (5x6)