Microchip Technology AT93C66B-MAHM-E Memory ICs
IC EEPROM 4KBIT SPI 2MHZ 8UDFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT93C66B-MAHM-E
Base Model
Detailed Description
IC EEPROM 4KBIT SPI 2MHZ 8UDFN
Package
8-UFDFN Exposed Pad
Lifecycle Status
Active
Datasheet
AT93C66B-MAHM-E Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT93C66B-MAHM-E Memory ICs technical specifications.
General
Interface
Serial-3Wire
Memory Size
4Kb (512 x 8, 256 x 16)
RoHS
Compliant
Number of Pins
8
Package / Case
8-UFDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.7V ~ 5.5V
Lifecycle Status
Active
Package
8-UFDFN Exposed Pad
Alternate Parts Comparison (AT93C66B-MAHM-E 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 Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-UFDFN Exposed Pad | 8-SOIC | 8-DIP | 8-DIP |
| Mounting Type | Surface Mount | Surface Mount | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.7V ~ 5.5V | 1.8V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Memory Size | 4Kb (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) |
| RoHS | Compliant | ROHS3 Compliant | ROHS3 Compliant | RoHS non-compliant |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Max Frequency | 2 MHz | 2 MHz | 2 MHz | 2 MHz |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Interface | SPI | SPI | SPI | SPI |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Technology | EEPROM | EEPROM | EEPROM | EEPROM |
| Action |
More Parts in EEPROM
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.