25AA040X-I/ST is available for purchase but is not normally stocked.
Available Substitutes:

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Microchip Technology
In Stock: 0
Unit Price: ¥7.41949
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Microchip Technology
In Stock: 0
Unit Price: ¥6.23237
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Microchip Technology
In Stock: 0
Unit Price: ¥6.23237
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Microchip Technology
In Stock: 1,000
Unit Price: ¥3.22000
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Microchip Technology
In Stock: 5,000
Unit Price: ¥3.40000
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Rohm Semiconductor
In Stock: 0
Unit Price: ¥4.77467
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Rohm Semiconductor
In Stock: 0
Unit Price: ¥6.18000
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onsemi
In Stock: 0
Unit Price: ¥0.00000
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STMicroelectronics
In Stock: 3,647
Unit Price: ¥3.49000
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STMicroelectronics
In Stock: 3,860
Unit Price: ¥5.64000
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STMicroelectronics
In Stock: 2,805
Unit Price: ¥4.39000
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STMicroelectronics
In Stock: 2
Unit Price: ¥3.49000
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Renesas Electronics Corporation
In Stock: 3,000
Unit Price: ¥7.44772
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ABLIC Inc.
In Stock: 0
Unit Price: ¥4.41584
Datasheet
EEPROM Memory IC 4Kbit SPI 1 MHz 8-TSSOP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

25AA040X-I/ST

DigiKey Part Number
25AA040X-I/ST-ND
Manufacturer
Manufacturer Product Number
25AA040X-I/ST
Description
IC EEPROM 4KBIT SPI 1MHZ 8TSSOP
Manufacturer Standard Lead Time
9 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 4Kbit SPI 1 MHz 8-TSSOP
Datasheet
 Datasheet
EDA/CAD Models
25AA040X-I/ST Models
Product Attributes
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Category
Memory Interface
SPI
Mfr
Clock Frequency
1 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
512 x 8
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (14)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
25AA040XT-I/STMicrochip Technology025AA040XT-I/ST-ND¥7.41949Direct
25AA040A-I/STMicrochip Technology025AA040A-I/ST-ND¥6.23237Similar
25AA040AX-I/STMicrochip Technology025AA040AX-I/ST-ND¥6.23237Similar
AT25040B-XHL-BMicrochip Technology1,000AT25040B-XHL-B-ND¥3.22000Similar
AT25040B-XHL-TMicrochip Technology5,000AT25040B-XHL-TCT-ND¥3.40000Similar
Available To Order
Check Lead Time
All prices are in CNY
Tube
QuantityUnit Price
(Including 13% VAT)
Ext Price
(Including 13% VAT)
500¥7.41948¥3,709.74
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.