93LC66C-E/SN is out of stock and can be placed on backorder.
Available Substitutes:

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Microchip Technology
In Stock: 0
Unit Price: $0.43000
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Microchip Technology
In Stock: 0
Unit Price: $0.41000
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STMicroelectronics
In Stock: 0
Unit Price: $0.53000
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STMicroelectronics
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Unit Price: $0.24000
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STMicroelectronics
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Unit Price: $0.23000
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STMicroelectronics
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Datasheet
EEPROM Memory IC 4Kbit Microwire 3 MHz 8-SOIC
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

93LC66C-E/SN

DigiKey Part Number
93LC66C-E/SN-ND
Manufacturer
Manufacturer Part Number
93LC66C-E/SN
Description
IC EEPROM 4KBIT MICROWIRE 8SOIC
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 4Kbit Microwire 3 MHz 8-SOIC
Datasheet
 Datasheet
EDA/CAD Models
93LC66C-E/SN Models
Product Attributes
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Category
Memory Interface
Microwire
Mfr
Clock Frequency
3 MHz
Packaging
Tube
Write Cycle Time - Word, Page
6ms
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
512 x 8, 256 x 16
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
93LC66CT-E/SNMicrochip Technology093LC66CT-E/SNTR-ND$0.43000Direct
93LC66CX-E/SNMicrochip Technology093LC66CX-E/SN-ND$0.41000Similar
M93C66-RMN3TP/KSTMicroelectronics0497-14435-2-ND$0.53000Similar
M93C66-WMN6PSTMicroelectronics0497-5672-5-ND$0.24000Similar
M93C66-WMN6TPSTMicroelectronics0497-8660-2-ND$0.23000Similar
In-Stock: 0
100 estimated in stock on 13-Nov-2026
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$0.43000$0.43
25$0.42000$10.50
100$0.41000$41.00
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.