CAT24C256YI-GT3 is out of stock and can be placed on backorder.
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EEPROM Memory IC 256Kbit I2C 1 MHz 500 ns 8-TSSOP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

CAT24C256YI-GT3

DigiKey Part Number
CAT24C256YI-GT3OSTR-ND - Tape & Reel (TR)
CAT24C256YI-GT3OSCT-ND - Cut Tape (CT)
CAT24C256YI-GT3OSDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
CAT24C256YI-GT3
Description
IC EEPROM 256KBIT I2C 8TSSOP
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 256Kbit I2C 1 MHz 500 ns 8-TSSOP
Datasheet
 Datasheet
EDA/CAD Models
CAT24C256YI-GT3 Models
Product Attributes
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Category
Memory Interface
I2C
Mfr
Clock Frequency
1 MHz
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Write Cycle Time - Word, Page
5ms
Part Status
Active
Access Time
500 ns
DigiKey Programmable
Verified
Voltage - Supply
1.8V ~ 5.5V
Memory Type
Non-Volatile
Operating Temperature
-40°C ~ 85°C (TA)
Memory Format
Mounting Type
Surface Mount
Technology
EEPROM
Package / Case
Memory Size
Supplier Device Package
8-TSSOP
Memory Organization
32K x 8
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (22)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
24AA256-E/STMicrochip Technology024AA256-E/ST-ND$1.14000Similar
24AA256-I/STMicrochip Technology024AA256-I/ST-ND$1.06000Similar
24AA256T-E/STMicrochip Technology024AA256T-E/ST-ND$1.06250Similar
24AA256T-I/STMicrochip Technology024AA256T-I/STTR-ND$1.09000Similar
24AA256UIDT-I/STMicrochip Technology024AA256UIDT-I/STTR-ND$1.17000Similar
Available To Order
Factory Stock: 45,000
3,000 estimated in stock on 17-Dec-2026

This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.51000$0.51
10$0.47800$4.78
25$0.46520$11.63
50$0.45520$22.76
100$0.44540$44.54
250$0.43224$108.06
500$0.42228$211.14
1,000$0.41230$412.30
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.39657$1,189.71
6,000$0.38676$2,320.56
9,000$0.38107$3,429.63
15,000$0.37398$5,609.70
21,000$0.36935$7,756.35
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.