25AA640A-I/ST is out of stock and can be placed on backorder.
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EEPROM Memory IC 64Kbit SPI 10 MHz 8-TSSOP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

25AA640A-I/ST

DigiKey Part Number
25AA640A-I/ST-ND
Manufacturer
Manufacturer Product Number
25AA640A-I/ST
Description
IC EEPROM 64KBIT SPI 8TSSOP
Manufacturer Standard Lead Time
7 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 64Kbit SPI 10 MHz 8-TSSOP
Datasheet
 Datasheet
EDA/CAD Models
25AA640A-I/ST Models
Product Attributes
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Category
Memory Interface
SPI
Mfr
Clock Frequency
10 MHz
Packaging
Tube
Write Cycle Time - Word, Page
5ms
Part Status
Active
Voltage - Supply
1.8V ~ 5.5V
DigiKey Programmable
Not 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-TSSOP
Memory Size
Base Product Number
Memory Organization
8K x 8
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (11)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
25AA640AT-I/STMicrochip Technology025AA640AT-I/STTR-ND$0.82000Direct
25AA640A-E/STMicrochip Technology025AA640A-E/ST-ND$0.81000Similar
25AA640AX-I/STMicrochip Technology025AA640AX-I/ST-ND$0.78400Similar
25AA640X-I/STMicrochip Technology025AA640X-I/ST-ND$0.89000Similar
AT25640B-XHL-BMicrochip Technology0AT25640B-XHL-B-ND$0.56000Similar
In-Stock: 0
100 estimated in stock on 19-Nov-2026
Request Stock Notification
All prices are in USD
Tube
QuantityUnit PriceExt Price
1$0.80000$0.80
25$0.78000$19.50
100$0.76000$76.00
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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.