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Microchip 24AA256T-E/MS - 256Kbit I2C Serial EEPROM Memory IC

The 24AA256T-E/MS from Microchip Technology is a high-reliability 256Kbit I2C-compatible serial EEPROM designed for embedded systems, industrial automation, and data logging applications. This non-volatile memory IC features a 32K x 8 organization with I2C interface, operating at clock frequencies up to 400 kHz for fast data access and storage.

Engineered for demanding environments, this EEPROM operates across an extended temperature range of -40°C to 125°C, making it ideal for automotive, industrial control, and aerospace applications. The wide voltage supply range of 1.7V to 5.5V ensures compatibility with both legacy and modern low-power systems.

With a 5ms write cycle time and 900ns access time, the 24AA256T-E/MS delivers reliable performance for configuration storage, calibration data, and system parameter retention. The compact 8-MSOP surface mount package saves valuable PCB space while maintaining robust electrical characteristics.

Key Features & Benefits:

  • 256Kbit (32K x 8) memory capacity - Ample storage for configuration and calibration data
  • I2C serial interface - Industry-standard two-wire communication protocol
  • Wide voltage range (1.7V - 5.5V) - Compatible with 3.3V and 5V systems
  • Extended temperature operation (-40°C to 125°C) - Reliable performance in harsh environments
  • 400 kHz clock frequency - Fast data transfer and access
  • Low power consumption - Ideal for battery-powered and energy-efficient designs
  • Surface mount 8-MSOP package - Space-saving design for compact applications
  • RoHS compliant - Environmentally friendly and regulation-compliant

Applications:

  • Industrial automation and control systems
  • Automotive electronics and calibration storage
  • Medical devices and instrumentation
  • Consumer electronics configuration storage
  • Data logging and event recording
  • Smart meters and IoT devices
  • Telecommunications equipment

Technical Specifications:

Why Choose HQICKEY for Your Memory IC Needs?

At HQICKEY, we specialize in authentic semiconductor components with guaranteed traceability and lifecycle support. Our global supply chain ensures competitive pricing and reliable availability for both prototype and production quantities. Every component is sourced directly from authorized channels and undergoes rigorous quality verification.

Related Products & Resources:

Explore our comprehensive selection of Memory ICs including EEPROM, Flash, DRAM & SRAM solutions for your embedded system designs. Visit our HQICKEY homepage to discover our full range of semiconductors, microcontrollers, and electronic components. Stay updated with the latest industry trends, technical articles, and product announcements on our News & Technical Resources blog.

Order authentic Microchip 24AA256T-E/MS memory ICs today with fast global shipping and expert technical support.

Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tape & Reel (TR) |
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 256Kbit
Memory Organization 32K x 8
Memory Interface I2C
Clock Frequency 400 kHz
Write Cycle Time - Word, Page 5ms
Access Time 900 ns
Voltage - Supply 1.7V ~ 5.5V
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-MSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY