25AA640A-E/ST is available for purchase but is not normally stocked.
Available Substitutes:

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Rohm Semiconductor
In Stock: 0
Unit Price: $1.39000
Datasheet

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Rohm Semiconductor
In Stock: 0
Unit Price: $1.21508
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Rohm Semiconductor
In Stock: 0
Unit Price: $1.49000
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STMicroelectronics
In Stock: 1,999
Unit Price: $1.46000
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Renesas Electronics Corporation
In Stock: 2,940
Unit Price: $5.08000
Datasheet
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-E/ST

DigiKey Part Number
25AA640A-E/ST-ND
Manufacturer
Manufacturer Product Number
25AA640A-E/ST
Description
IC EEPROM 64KBIT SPI 8TSSOP
Manufacturer Standard Lead Time
15 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 64Kbit SPI 10 MHz 8-TSSOP
Datasheet
 Datasheet
EDA/CAD Models
25AA640A-E/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 ~ 125°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 (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
BR25H640FVT-2CE2Rohm Semiconductor0BR25H640FVT-2CE2CT-ND$1.39000Similar
BR25S640FV-WE2Rohm Semiconductor0BR25S640FV-WE2TR-ND$1.21508Similar
BR25S640FVT-WE2Rohm Semiconductor0BR25S640FVT-WE2CT-ND$1.49000Similar
M95640-DRDW3TP/KSTMicroelectronics1,999497-14460-1-ND$1.46000Similar
R1EX25064ATA00I#S0Renesas Electronics Corporation2,940559-R1EX25064ATA00I#S0CT-ND$5.08000Similar
Available To Order
Check Lead Time
All prices are in CAD
Tube
QuantityUnit PriceExt Price
500$1.44674$723.37
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.