25AA040AT-I/SN is out of stock and can be placed on backorder.
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Microchip Technology
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Unit Price: $0.54000
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EEPROM Memory IC 4Kbit SPI 10 MHz 8-SOIC
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

25AA040AT-I/SN

DigiKey Part Number
25AA040AT-I/SNTR-ND - Tape & Reel (TR)
25AA040AT-I/SNCT-ND - Cut Tape (CT)
25AA040AT-I/SNDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
25AA040AT-I/SN
Description
IC EEPROM 4KBIT SPI 10MHZ 8SOIC
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 4Kbit SPI 10 MHz 8-SOIC
Datasheet
 Datasheet
EDA/CAD Models
25AA040AT-I/SN Models
Product Attributes
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Category
Memory Interface
SPI
Mfr
Clock Frequency
10 MHz
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Write Cycle Time - Word, Page
5ms
Part Status
Active
Voltage - Supply
1.8V ~ 5.5V
DigiKey Programmable
Verified
Operating Temperature
-40°C ~ 85°C (TA)
Memory Type
Non-Volatile
Mounting Type
Surface Mount
Memory Format
Package / Case
Technology
EEPROM
Supplier Device Package
8-SOIC
Memory Size
Base Product Number
Memory Organization
512 x 8
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (12)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
25AA040A-I/SNMicrochip Technology025AA040A-I/SN-ND$0.54000Direct
25AA040T-I/SNMicrochip Technology025AA040T-I/SN-ND$0.67200Similar
AT25040B-SSHL-BMicrochip Technology0AT25040B-SSHL-B-ND$0.34000Similar
AT25040B-SSHL-TMicrochip Technology0AT25040B-SSHL-TTR-ND$0.36000Similar
CAT25040VI-GT3onsemi0CAT25040VI-GT3TR-ND$0.33000Similar
In-Stock: 0
3,300 estimated in stock on 16-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.57000$0.57
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,300$0.49000$1,617.00
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.