AT93C66B-MAHM-T is out of stock and can be placed on backorder.
Available Substitutes:

Direct


STMicroelectronics
In Stock: 0
Unit Price: $0.27000
Datasheet
EEPROM Memory IC 4Kbit 3-Wire Serial 2 MHz 8-UDFN (2x3)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

AT93C66B-MAHM-T

DigiKey Part Number
AT93C66B-MAHM-TTR-ND - Tape & Reel (TR)
AT93C66B-MAHM-TCT-ND - Cut Tape (CT)
AT93C66B-MAHM-TDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
AT93C66B-MAHM-T
Description
IC EEPROM 4KBIT 3-WIRE 8MINI MAP
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 4Kbit 3-Wire Serial 2 MHz 8-UDFN (2x3)
Datasheet
 Datasheet
EDA/CAD Models
AT93C66B-MAHM-T Models
Product Attributes
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Category
Memory Interface
3-Wire Serial
Mfr
Clock Frequency
2 MHz
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Write Cycle Time - Word, Page
5ms
Part Status
Active
Voltage - Supply
1.7V ~ 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-UDFN (2x3)
Memory Size
Base Product Number
Memory Organization
512 x 8, 256 x 16
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
M93C66-RMC6TGSTMicroelectronics0497-15764-2-ND$0.27000Direct
In-Stock: 0
5,000 estimated in stock on 16-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.36000$0.36
25$0.35040$8.76
100$0.33990$33.99
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
5,000$0.31000$1,550.00
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