25AA640AXT-I/ST is available for purchase but is not normally stocked.
Available Substitutes:

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Microchip Technology
In Stock: 0
Unit Price: $1.25566
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Microchip Technology
In Stock: 0
Unit Price: $1.36777
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Microchip Technology
In Stock: 3,828
Unit Price: $1.25000
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Microchip Technology
In Stock: 0
Unit Price: $1.30050
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Microchip Technology
In Stock: 13,874
Unit Price: $0.87000
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Rohm Semiconductor
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Unit Price: $1.05000
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onsemi
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Unit Price: $0.90000
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STMicroelectronics
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STMicroelectronics
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Renesas Electronics Corporation
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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.

25AA640AXT-I/ST

DigiKey Part Number
25AA640AXT-I/STTR-ND - Tape & Reel (TR)
Manufacturer
Manufacturer Product Number
25AA640AXT-I/ST
Description
IC EEPROM 64KBIT SPI 8TSSOP
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 64Kbit SPI 10 MHz 8-TSSOP
Datasheet
 Datasheet
EDA/CAD Models
25AA640AXT-I/ST Models
Product Attributes
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Category
Memory Interface
SPI
Mfr
Clock Frequency
10 MHz
Packaging
Tape & Reel (TR)
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 (13)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
25AA640AX-I/STMicrochip Technology025AA640AX-I/ST-ND$1.25566Direct
25AA640AT-E/STMicrochip Technology025AA640AT-E/ST-ND$1.36777Similar
25AA640AT-I/STMicrochip Technology3,82825AA640AT-I/STCT-ND$1.25000Similar
25AA640XT-I/STMicrochip Technology025AA640XT-I/ST-ND$1.30050Similar
AT25640B-XHL-TMicrochip Technology13,874AT25640B-XHL-TCT-ND$0.87000Similar
Available To Order
Check Lead Time
All prices are in AUD
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$1.25566$3,139.15
Manufacturers Standard Package
Unit Price without GST:$1.25566
Unit Price with GST:$1.38123