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EEPROM Serial-Microwire 2K-bit 256 x 8 5V Automotive 8-Pin MSOP Tube

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93C56A-E/MS General Description

The Microchip 93C56A device is a 2Kb Microwire (3-wire) Serial EEPROM with dedicated 8-bit memory organization and a voltage operation range of 4.5 - 5.5V.Also available are the 93C56B for dedicated 16-bit memory organization and the 93C56C for hardware selectable word size using the ORG pin. The 93C56A is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The device is available in a variety of Pb-free packages including SOT-23, PDIP, SOIC, MSOP, DFN and TSSOP.

Microchip Technology, Inc Inventory

Key Features

  • Industry Standard Microwire Serial I/O
  • Up to 2 MHz clock compatibility
  • 256 x 8-Bit Organization
  • Automatic Erase All (ERAL) Before Write All (WRAL)
  • Self-Timed Erase and Write Cycles (2 ms max.)
  • Read current 100 uA (Typ), 500 uA (Max)
  • Write current 500 uA (Typ), 2 mA (Max)
  • Standby current 1 uA (Max at -40 to 85°C)
  • Software Write-Protection
  • More than 1 million erase/write cycles
  • Data retention > 200 years
  • Grade 1 Temperature Range: -40°C to 125°C
  • Qualified for Automotive Applications
  • Factory Programming Available
  • Available in SOT-23-6,  PDIP-8, SOIC-8, MSOP-8, 2x3 DFN-8 and TSSOP-8
Microchip Technology, Inc Original Stock


Category Integrated Circuits (ICs)MemoryMemory Mfr Microchip Technology
Series - Package Tube
Product Status Active Memory Type Non-Volatile
Memory Format EEPROM Technology EEPROM
Memory Size 2Kbit Memory Organization 256 x 8
Memory Interface Microwire Clock Frequency 2 MHz
Write Cycle Time - Word, Page 2ms Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 125°C (TA) Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Supplier Device Package 8-MSOP
Base Product Number 93C56A


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

    Tape and Reel

  • Cut Tape

    Cut Tape

  • Tube or Tray

    Tube or Tray


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Buying Guide

  • What is the lifespan of 93C56A-E/MS?

    The lifespan of 93C56A-E/MS 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 93C56A-E/MS?

    You can find it with PDF Datasheet for 93C56A-E/MS 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 93C56A-E/MS?

    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.

  • Where to view my order of 93C56A-E/MS or my history order record?

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