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EEPROM Serial-SPI 256K-bit 32K x 8 3.3V/5V Automotive 8-Pin DFN-S EP T/R

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25LC256T-E/MF General Description

TheMicrochip 25LC256 is a 256 Kb Serial EEPROM utilizing the industrystandard Serial Peripheral Interface (SPI) compatible serial bus. The device isorganized as one block of 32,768 x8-bit and is optimized for use in consumer electronics, industrial, medical,and automotive applications where reliable and dependable nonvolatile memorystorage is essential. Software write protection allows the user to protect ¼,½, or the entire memory array. A hardware write protect pin is also provided,which additionally protects against inadvertent writes to the status register.The EEPROM is available in a variety of space-saving packaging options.

Microchip Technology, Inc Inventory

Key Features

  • 32,768 x 8-bit (256 Kbit)
  • Supports SPI modes 0 and 3
  • Up to 10 MHz clock frequency
  • Self-Timed Erase and Write Cycles (5 ms max.)
  • Read current: 6mA (Max) at 10 MHz
  • Write current: 5 mA (Max) at 5.5 V
  • Standby current: 5 μA (Max) at 5.5 V
  • Block Write Protection: Protect 1/4, 1/2 or Entire Array
  • More than 1 million erase/write cycles
  • Data retention > 200 years
  • Industrial (I): -40°C to 85°C
  • Extended (E): -40°C to +125°C
  • Automotive AECQ-100 Qualified1
  • Factory Programming Available
  • Available in standard packages including 8-lead PDIP, SOIC, SOIJ, and TSSOP, as well as 5x6mm DFN
Microchip Technology, Inc Original Stock


Manufacturer: Microchip Product Category: EEPROM
RoHS: Y Mounting Style: SMD/SMT
Package / Case: DFN-8 Memory Size: 256 kbit
Organization: 32 k x 8 Interface Type: Serial, 4-Wire, SDI, SPI
Access Time: 50 ns Data Retention: 200 Year
Maximum Clock Frequency: 10 MHz Supply Current - Max: 6 mA
Supply Voltage - Min: 2.5 V Supply Voltage - Max: 5.5 V
Minimum Operating Temperature: - 40 C Maximum Operating Temperature: + 125 C
Packaging: Reel Height: 0.84 mm
Length: 5 mm Width: 6 mm
Brand: Microchip Technology Operating Supply Current: 6 mA
Operating Supply Voltage: 2.5 V to 5.5 V Product Type: EEPROM
Programming Voltage: 3.3 V, 5 V Factory Pack Quantity: 3300
Subcategory: Memory & Data Storage Unit Weight: 0.001319 oz
Tags 25LC256T-E, 25LC256T, 25LC2, 25LC, 25L


Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

  • DHL

  • Fedex

  • UPS

  • EMS

  • Registered Air Mail


We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

  • Wire Transfer

  • Paypal

  • Credit Card

  • Western Union

  • Money Gram


Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD


  • Tape and Reel

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Buying Guide

  • What is the lifespan of 25LC256T-E/MF?

    The lifespan of 25LC256T-E/MF depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.

  • Where can I find the full specification of 25LC256T-E/MF?

    You can find it with PDF Datasheet for 25LC256T-E/MF on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.

  • How to check the quality of 25LC256T-E/MF?

    Avaq has separate quality services with common quality inspection equipment for testing items, you can also fill out a sample form, our team will get in touch with you within 24 HOURS.

  • Can I purchase samples for testing?

    Avaq offers free samples for customers to test. This can often help you determine whether the chip or component meets your needs.

  • Where can I check the delivery after the order is completed?

    Once the order is completed, you will receive an order confirmation email containing a tracking number from AVAQ, then you can track the delivery by yourself.

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