25AA256X-I/ST is available for purchase but is not normally stocked.
Available Substitutes:

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Microchip Technology
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Unit Price: $14.31000
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onsemi
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STMicroelectronics
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Datasheet
EEPROM Memory IC 256Kbit SPI 10 MHz 8-TSSOP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

25AA256X-I/ST

DigiKey Part Number
25AA256X-I/ST-ND
Manufacturer
Manufacturer Product Number
25AA256X-I/ST
Description
IC EEPROM 256KBIT SPI 8TSSOP
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 256Kbit SPI 10 MHz 8-TSSOP
Datasheet
 Datasheet
EDA/CAD Models
25AA256X-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
32K x 8
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (9)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
25AA256-E/STMicrochip Technology9125AA256-E/ST-ND$14.31000Similar
25AA256-I/STMicrochip Technology1,33325AA256-I/ST-ND$13.48000Similar
AT25256B-XHL-BMicrochip Technology0AT25256B-XHL-B-ND$7.56000Similar
CAT25256YI-Gonsemi0CAT25256YI-G-ND$0.00000Similar
CAV25256YE-GT3onsemi2,544488-CAV25256YE-GT3CT-ND$9.54000Similar
Available To Order
Check Lead Time
All prices are in HKD
Tube
QuantityUnit PriceExt Price
300$14.81350$4,444.05
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.