25LC640T-E/SN is available for purchase but is not normally stocked.
Available Substitutes:

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Microchip Technology
In Stock: 82
Unit Price: ¥168.00000
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Microchip Technology
In Stock: 0
Unit Price: ¥148.43697
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Microchip Technology
In Stock: 2,839
Unit Price: ¥148.00000
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Microchip Technology
In Stock: 0
Unit Price: ¥163.79242
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Microchip Technology
In Stock: 0
Unit Price: ¥2,533.66576
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In Stock: 261
Unit Price: ¥158.00000
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Unit Price: ¥0.00000

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Unit Price: ¥194.75960
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Unit Price: ¥269.00000
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Unit Price: ¥166.00000
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Unit Price: ¥165.00000
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Datasheet
EEPROM Memory IC 64Kbit SPI 3 MHz 8-SOIC
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

25LC640T-E/SN

DigiKey Part Number
25LC640T-E/SN-ND - Tape & Reel (TR)
Manufacturer
Manufacturer Product Number
25LC640T-E/SN
Description
IC EEPROM 64KBIT SPI 3MHZ 8SOIC
Manufacturer Standard Lead Time
11 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 64Kbit SPI 3 MHz 8-SOIC
Datasheet
 Datasheet
EDA/CAD Models
25LC640T-E/SN Models
Product Attributes
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Category
Memory Interface
SPI
Mfr
Clock Frequency
3 MHz
Packaging
Tape & Reel (TR)
Write Cycle Time - Word, Page
5ms
Part Status
Active
Voltage - Supply
2.5V ~ 5.5V
DigiKey Programmable
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-SOIC
Memory Size
Base Product Number
Memory Organization
8K x 8
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (23)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
25LC640-E/SNMicrochip Technology8225LC640-E/SN-ND¥168.00000Direct
25AA640AT-E/SNMicrochip Technology025AA640AT-E/SN-ND¥148.43697Similar
25LC640AT-E/SNMicrochip Technology2,83925LC640AT-E/SNCT-ND¥148.00000Similar
25LC640AT-H/SNMicrochip Technology025LC640AT-H/SN-ND¥163.79242Similar
25LC640AT-M/SNMicrochip Technology025LC640AT-M/SN-ND¥2,533.66576Similar
Available To Order
Check Lead Time
All prices are in JPY
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,300¥163.79242¥540,515
Manufacturers Standard Package
Unit Price without JCT:¥163.79242
Unit Price with JCT:¥180.17166