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Microchip 25LC040A-E/ST - 4Kbit SPI Serial EEPROM

The 25LC040A-E/ST is a high-performance 4Kbit (512 x 8) serial EEPROM from Microchip Technology, designed for reliable non-volatile data storage in embedded systems. This SPI-compatible memory IC operates across a wide voltage range of 2.5V to 5.5V, making it ideal for battery-powered and industrial applications requiring flexible power management.

Key Features & Benefits

  • 4Kbit Memory Capacity: Organized as 512 bytes x 8 bits for efficient data storage
  • SPI Interface: Industry-standard Serial Peripheral Interface for easy integration with microcontrollers
  • High-Speed Operation: 10 MHz clock frequency enables fast read/write operations
  • Wide Operating Range: Functions reliably from -40°C to 125°C in demanding industrial environments
  • Low Power Consumption: Ideal for energy-efficient designs and portable devices
  • Surface Mount Package: Compact 8-TSSOP package saves valuable PCB space
  • RoHS Compliant: Meets environmental standards for global distribution

Applications

Perfect for storing configuration data, calibration parameters, user settings, and small datasets in automotive electronics, industrial control systems, consumer electronics, IoT devices, and embedded systems requiring non-volatile memory solutions.

Why Choose HQICKEY?

At HQICKEY, we guarantee 100% authentic Microchip components with full manufacturer warranty support. Our global logistics network ensures fast, reliable delivery to your location, backed by expert technical support and quality assurance.

Related Products & Resources

Explore our comprehensive selection of Memory ICs including EEPROM, Flash memory, SRAM, and other non-volatile storage solutions for your embedded projects.

Stay updated with the latest semiconductor industry news, technical articles, and product announcements on our News Blog.

Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tube |
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 4Kbit
Memory Organization 512 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 ~ 125°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 8-TSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY