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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)

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

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
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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