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HomeProductsIntegrated Circuits (ICs)MemoryAT21CS11-MSH10-B
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AT21CS11-MSH10-B - Microchip Technology

Manufacturer Part Number
AT21CS11-MSH10-B
Manufacturer
Microchip Technology
Allelco Part Number
32D-AT21CS11-MSH10-B
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC EEPROM 1KBIT I2C 125KHZ 2XSFN
Package
2-XSFN (5x3.5)
Data sheet
1.AT21CS11-MSH10-.pdf ...
RoHs Status
ROHS3 Compliant
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In stock: 97400

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Specifications

AT21CS11-MSH10-B Tech Specifications
Microchip Technology - AT21CS11-MSH10-B technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - AT21CS11-MSH10-B

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Write Cycle Time - Word, Page 5ms  
Voltage - Supply 2.7V ~ 4.5V  
Technology EEPROM  
Supplier Device Package 2-XSFN (5x3.5)  
Series -  
Package / Case 2-SMD, No Lead  
Package Tray  
Operating Temperature -40°C ~ 85°C (TC)  
Product Attribute Attribute Value  
Mounting Type Surface Mount  
Memory Type Non-Volatile  
Memory Size 1Kbit  
Memory Organization 128 x 8  
Memory Interface I²C, Single Wire  
Memory Format EEPROM  
Clock Frequency 125 kbps  
Base Product Number AT21CS11  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.32.0051

Parts Introduction

Manufacturer Part Number

AT21CS11-MSH10-B

Manufacturer

Microchip Technology

Introduction

The AT21CS11-MSH10-B is a 1Kbit I2C and single-wire EEPROM memory device from Microchip Technology. It provides non-volatile storage with a wide operating temperature range and low-power operation, making it suitable for a variety of embedded applications.

Product Features and Performance

1Kbit of EEPROM memory organized as 128 x 8

I2C and single-wire interfaces for easy integration

Clock frequency up to 125 kbps

Fast write cycle time of 5ms for word and page

Wide operating voltage range of 2.7V to 4.5V

Operating temperature range of -40°C to 85°C

Product Advantages

Reliable non-volatile storage for critical data

Low power consumption for battery-powered devices

Compact surface-mount package for space-constrained designs

Easy interface options with I2C and single-wire protocols

Key Reasons to Choose This Product

Proven reliability and performance from a trusted manufacturer

Versatile interface options for flexible system integration

Wide operating temperature range for industrial and harsh environments

Cost-effective solution for adding non-volatile memory to your design

Quality and Safety Features

Automotive-qualified for reliable operation in demanding applications

Robust design and rigorous testing to ensure product quality and reliability

Compatibility

The AT21CS11-MSH10-B is compatible with a wide range of microcontrollers and embedded systems that support I2C or single-wire communication protocols.

Application Areas

Industrial control systems

Automotive electronics

Home appliances

Wearable devices

IoT applications

Product Lifecycle

The AT21CS11-MSH10-B is an active product, and Microchip Technology continues to manufacture and support it. There are no immediate plans for discontinuation. If you have any questions or require information on alternative or equivalent models, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology AT21CS11-MSH10-B

Product Attribute AT21CS11-SSH10-B AT21CS11-SSH10-T AT21CS11-STU10-T AT21CS01-TOHM10-B
Part Number AT21CS11-SSH10-B AT21CS11-SSH10-T AT21CS11-STU10-T AT21CS01-TOHM10-B
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply - - - -
Memory Type - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Memory Organization - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Memory Interface - - - -
Technology - - - -
Memory Size - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Memory Format - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Clock Frequency - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Write Cycle Time - Word, Page - - - -

AT21CS11-MSH10-B Datasheet PDF

Download AT21CS11-MSH10-B pdf datasheets and Microchip Technology documentation for AT21CS11-MSH10-B - Microchip Technology.

PCN Design/Specification
AT21CS01/AT21CS11 06/Oct/2022.pdf AT21CS01/AT21CS11 10/Jul/2020.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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AT21CS11-MSH10-B Image

AT21CS11-MSH10-B

Microchip Technology
32D-AT21CS11-MSH10-B

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