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HomeProductsIntegrated Circuits (ICs)Memory24AA256T-I/ST
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24AA256T-I/ST - Microchip Technology

Manufacturer Part Number
24AA256T-I/ST
Manufacturer
Microchip Technology
Allelco Part Number
32D-24AA256T-I/ST
ECAD Model
Parts Description
IC EEPROM 256KBIT I2C 8TSSOP
Package
8-TSSOP (0.173', 4.40mm Width)
Data sheet
24AA256T-I/ST.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 28040

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Specifications

24AA256T-I/ST Tech Specifications
Microchip Technology - 24AA256T-I/ST technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - 24AA256T-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 Tape & Reel (TR)  
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

24AA256T-I/ST

Manufacturer

Microchip Technology

Introduction

The 24AA256T-I/ST is a 256Kbit EEPROM from Microchip Technology, offering non-volatile memory storage with an I2C interface.

Product Features and Performance

Non-Volatile EEPROM Memory

I2C Serial Interface

256Kbit Memory Size

32K x 8 Memory Organization

400 kHz Clock Frequency

5ms Write Cycle Time for Word or Page

900 ns Access Time

Wide Voltage Supply Range from 1.7V to 5.5V

Suitable for Operating Temperatures between -40°C and 85°C

Surface Mount 8-TSSOP Package

Product Advantages

Low-power operation suitable for battery-powered applications

High reliability with inherent data retention

Fast write cycle times enhancing device performance

Versatile voltage range ensuring compatibility with various logic levels

Small form factor facilitating compact design

Key Technical Parameters

Memory Size: 256Kbit

Memory Format: EEPROM

Memory Interface: I2C

Clock Frequency: 400 kHz

Access Time: 900 ns

Voltage - Supply: 1.7V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built-in error detection and correction

Long data retention time

High endurance for repeated write cycles

Compatibility

Supports Standard and Fast I2C Protocol

Compatible with Microcontrollers with I2C Interface

Application Areas

Consumer Electronics

Industrial Control Systems

Telecommunication Infrastructure

Medical Devices

Automotive Electronics

Product Lifecycle

Active Product Status

Not Nearing Discontinuation

Replacements and Upgrades Available as Part of Microchip's Product Portfolio

Several Key Reasons to Choose This Product

Large Memory Size in a Small Package

Robust Operating Temperature Range Ensuring Functionality in Extreme Conditions

Compatible with a Wide Range of Microcontrollers and Systems due to Standard I2C Interface

Reliable Performance with Quality and Safety Features

Active Product Support from Microchip Technology, Ensuring Long-Term Availability and Service

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology 24AA256T-I/ST

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

24AA256T-I/ST Datasheet PDF

Download 24AA256T-I/ST pdf datasheets and Microchip Technology documentation for 24AA256T-I/ST - Microchip Technology.

PCN Packaging
Packing Changes 10/Oct/2016.pdf Reel Design Update 07/May/2015.pdf
PCN Design/Specification
24AA256/24LC256/24FC256 25/Oct/2021.pdf 24AA256/24LC256/24FC256 28/Jul/2022.pdf
PCN Assembly/Origin
2.73KHz.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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24AA256T-I/ST Image

24AA256T-I/ST

Microchip Technology
32D-24AA256T-I/ST

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