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Microchip 25LC256X-I/ST - 256Kbit SPI Serial EEPROM

The 25LC256X-I/ST from Microchip Technology is a high-performance 256Kbit (32K x 8) serial EEPROM designed for embedded systems, industrial automation, automotive electronics, and IoT applications requiring reliable non-volatile data storage.

Key Features & Benefits

  • High-Speed SPI Interface: 10 MHz clock frequency enables fast data transfer for time-critical applications
  • Wide Voltage Range: 2.5V to 5.5V operation provides flexibility across different system designs
  • Industrial Temperature Grade: Rated for -40°C to 85°C operation ensures reliability in harsh environments
  • Compact Surface Mount Package: 8-TSSOP (4.40mm width) saves valuable PCB space
  • Low Power Consumption: Ideal for battery-powered and energy-efficient designs
  • Page Write Capability: 5ms write cycle time optimizes programming efficiency

Common Applications

This EEPROM is perfect for storing configuration data, calibration parameters, user settings, data logging, and firmware updates in microcontroller-based systems, industrial controllers, automotive modules, medical devices, and smart sensors.

Why Choose HQICKEY?

At HQICKEY, we guarantee 100% authentic components sourced directly from authorized distributors. Every 25LC256X-I/ST chip is quality-tested and backed by our commitment to long-term product availability and technical support for your embedded system projects.

Related Products & Resources

Looking for more memory solutions? Browse our complete Memory IC collection featuring EEPROM, Flash, SRAM, and DRAM components for all your design needs.

Visit the HQICKEY homepage to explore our full range of microcontrollers, processors, FPGAs, and interface ICs.

Stay updated with the latest industry insights, application notes, and technical guides on the HQICKEY blog.

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 10 MHz
Write Cycle Time - Word, Page 5ms
Access Time -
Voltage - Supply 2.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 8-TSSOP
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