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Microchip Technology AT93C66B-MAHM-T Microcontrollers

IC EEPROM 4KBIT 3-WIRE 8MINI MAP

340,000 ActiveMicrochip TechnologyAT93C8-UFDFN Exposed Pad$0.71
AT93C66B-MAHM-T 8-UFDFN Exposed Pad package illustration

Same model may have multiple batches, images only for reference.

AT93C66B-MAHM-T
Part Number (MPN)
AT93C66B-MAHM-T
Base Model
Detailed Description
IC EEPROM 4KBIT 3-WIRE 8MINI MAP
Package
8-UFDFN Exposed Pad
Lifecycle Status
Active
Datasheet
PDF AT93C66B-MAHM-T Datasheet
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Ordering Code Family

AT93C groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

15 ordering variants listed on the family page.

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Technical Specifications

Microchip Technology AT93C66B-MAHM-T Microcontrollers technical specifications.

General

Series
AT93C66B
Interface
Serial-3Wire
Memory Size
4Kb (512 x 8, 256 x 16)
Maximum Clock Frequency
2 MHz
Active Read Current Max
2 mA
RoHS
Compliant
Number of Pins
8
Package / Case
8-UFDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)

Alternate Parts Comparison (AT93C66B-MAHM-T vs AT93C56A-10SU-1.8 vs AT93C46-10PU-2.7 vs AT93C66-10PI-2.7)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / Case8-UFDFN Exposed Pad8-SOIC8-DIP8-DIP
Mounting TypeSurface MountSurface MountThrough HoleThrough Hole
Operating Temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
Supply Voltage1.7V ~ 5.5V1.8V ~ 5.5V2.7V ~ 5.5V2.7V ~ 5.5V
Memory Size4Kb (512 x 8, 256 x 16)2Kb (256 x 8, 128 x 16)1Kb (128 x 8, 64 x 16)4Kb (512 x 8, 256 x 16)
RoHSCompliantROHS3 CompliantROHS3 CompliantRoHS non-compliant
Lifecycle StatusActiveObsoleteObsoleteObsolete
Clock Frequency2 MHz2 MHz2 MHz2 MHz
Max Frequency2 MHz2 MHz2 MHz2 MHz
Memory FormatEEPROMEEPROMEEPROMEEPROM
Memory InterfaceSPISPISPISPI
Memory Organization512 x 8/256 x 16256 x 8, 128 x 16128 x 8, 64 x 16512 x 8, 256 x 16
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