Microchip Technology AT93C66A-SQ27U2 EEPROM
IC EEPROM 4KBIT 3-WIRE 8SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT93C66A-SQ27U2
Detailed Description
IC EEPROM 4KBIT 3-WIRE 8SOIC
Package
8-SOIC
Lifecycle Status
Active
RoHS State
Not applicable
Datasheet
AT93C66A-SQ27U2 Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT93C66A-SQ27U2 EEPROM technical specifications.
General
Manufacturer
Atmel
Memory Size
4Kbit
RoHS
Not applicable
Package / Case
8-SOIC
Packaging
Bulk
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Max Frequency
2 MHz
Alternate Parts Comparison (AT93C66A-SQ27U2 vs AT93C66A-10SQ-2.7 vs AT25080AN-10SQ-2.7 vs AT24C04N-10SI-2.7)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Manufacturer | Atmel | Microchip Technology | Atmel | Microchip Technology |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Memory Size | 4Kbit | 4Kbit | 8Kbit | 4Kbit |
| Lifecycle Status | Active | Active | Active | Obsolete |
| Base Product Number | 93C66A | 93C66A | AT25080 | AT24C04 |
| Max Frequency | 2 MHz | 2 MHz | 5 MHz | 400 kHz |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Interface | 3-Wire Serial | 3-Wire Serial | SPI | I2C |
| Memory Organization | 512 x 8, 256 x 16 | 512 x 8, 256 x 16 | 1K x 8 | 512 x 8 |
| 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.