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HomeProductsIntegrated Circuits (ICs)Memory24AA256UID-I/ST
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24AA256UID-I/ST - Microchip Technology

Manufacturer Part Number
24AA256UID-I/ST
Manufacturer
Microchip Technology
Allelco Part Number
32D-24AA256UID-I/ST
ECAD Model
Parts Description
IC EEPROM 256KBIT I2C 8TSSOP
Package
8-TSSOP (0.173", 4.40mm Width)
Data sheet
24AA256UID.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 24198

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Specifications

24AA256UID-I/ST Tech Specifications
Microchip Technology - 24AA256UID-I/ST technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - 24AA256UID-I/ST

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Write Cycle Time - Word, Page 5ms  
Voltage - Supply 1.7V ~ 5.5V  
Technology EEPROM  
Supplier Device Package 8-TSSOP  
Series -  
Package / Case 8-TSSOP (0.173", 4.40mm Width)  
Package Tube  
Operating Temperature -40°C ~ 85°C (TA)  
Product Attribute Attribute Value  
Mounting Type Surface Mount  
Memory Type Non-Volatile  
Memory Size 256Kbit  
Memory Organization 32K x 8  
Memory Interface I²C  
Memory Format EEPROM  
Clock Frequency 400 kHz  
Base Product Number 24AA256  
Access Time 900 ns  

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

24AA256UID-I/ST

Manufacturer

Microchip Technology

Introduction

256Kbit (32K x 8) Electrically Erasable Programmable Read-Only Memory (EEPROM)

Product Features and Performance

Wide operating voltage range of 1.7V to 5.5V

Fast 400kHz 2-wire serial interface

Page write buffer for fast write operations

100,000 erase/write cycles

Data retention of over 200 years

Temperature range of -40°C to +85°C

Product Advantages

High-performance EEPROM with wide voltage range

Compact 8-TSSOP package for space-constrained designs

Reliable non-volatile memory with high endurance

Key Technical Parameters

Memory Size: 256Kbit (32K x 8)

Memory Type: Non-Volatile EEPROM

Interface: 2-wire Serial (I2C compatible)

Clock Frequency: 400kHz

Access Time: 900ns

Write Cycle Time: 5ms

Quality and Safety Features

RoHS3 compliant

AEC-Q100 qualified for automotive applications

Compatibility

Compatible with I2C bus protocol

Suitable for a wide range of embedded systems and industrial applications

Application Areas

Embedded systems

Industrial automation

Automotive electronics

Consumer electronics

Product Lifecycle

Currently in active production

No plans for discontinuation, with long-term product support

Key Reasons to Choose This Product

High-capacity non-volatile memory with fast 2-wire interface

Wide operating voltage range for versatile applications

Reliable performance with high endurance and data retention

Small 8-TSSOP package for space-constrained designs

Automotive-grade quality and safety features

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology 24AA256UID-I/ST

Product Attribute 24AA256UID-I/ST 24AA32A-I/P 24AA256T-I/SN 24AA32AFT-I/MNY
Part Number 24AA256UID-I/ST 24AA32A-I/P 24AA256T-I/SN 24AA32AFT-I/MNY
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Memory Format EEPROM EEPROM EEPROM EEPROM
Voltage - Supply 1.7V ~ 5.5V 1.8V ~ 5.5V 1.7V ~ 5.5V 1.7V ~ 5.5V
Mounting Type Surface Mount Through Hole Surface Mount Surface Mount
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Base Product Number 24AA256 24AA32 24AA256 24AA32
Package / Case 8-TSSOP (0.173", 4.40mm Width) 8-DIP (0.300', 7.62mm) 8-SOIC (0.154', 3.90mm Width) 8-WFDFN Exposed Pad
Technology EEPROM EEPROM EEPROM EEPROM
Access Time 900 ns 900 ns 900 ns 900 ns
Memory Size 256Kbit 32Kbit 256Kbit 32Kbit
Memory Type Non-Volatile Non-Volatile Non-Volatile Non-Volatile
Memory Organization 32K x 8 4K x 8 32K x 8 4K x 8
Supplier Device Package 8-TSSOP 8-PDIP 8-SOIC 8-TDFN (2x3)
Clock Frequency 400 kHz 400 kHz 400 kHz 400 kHz
Package Tube Tube Tape & Reel (TR) Tape & Reel (TR)
Memory Interface I²C I²C I²C I²C
Write Cycle Time - Word, Page 5ms 5ms 5ms 5ms
Series - - - -

24AA256UID-I/ST Datasheet PDF

Download 24AA256UID-I/ST pdf datasheets and Microchip Technology documentation for 24AA256UID-I/ST - Microchip Technology.

Datasheets
24AA256UID.pdf
PCN Packaging
Label and Packing Changes 23/Sep/2015.pdf Packing Changes 10/Oct/2016.pdf
PCN Design/Specification
24AA256/24LC256/24FC256 25/Oct/2021.pdf 24AA256/24LC256/24FC256 28/Jul/2022.pdf

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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24AA256UID-I/ST Image

24AA256UID-I/ST

Microchip Technology
32D-24AA256UID-I/ST

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