Microchip Technology AT93C66A-10SQ-2.7 EEPROM
EEPROM Memory IC 4Kbit 3-Wire Serial 2 MHz 2.7V ~ 5.5V 8-SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT93C66A-10SQ-2.7
Detailed Description
IC EEPROM 4KBIT 3-WIRE 8SOIC / EEPROM Memory IC 4Kbit 3-Wire Serial 2 MHz 8-SOIC
Package
8-SOIC
Lifecycle Status
Active
Datasheet
AT93C66A-10SQ-2.7 Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT93C66A-10SQ-2.7 EEPROM technical specifications.
General
Memory Size
4Kbit
RoHS
Yes
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
MSL Level
1 (Unlimited)
Max Frequency
2 MHz
Alternate Parts Comparison (AT93C66A-10SQ-2.7 vs AT25080AN-10SQ-2.7 vs AT24C04N-10SI-2.7 vs AT25320AN-SQ27T7)
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-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 ~ 85°C (TA) | -40°C ~ 125°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Memory Size | 4Kbit | 8Kbit | 4Kbit | 32Kbit |
| RoHS | Yes | ROHS3 Compliant | RoHS non-compliant | Not applicable |
| Lifecycle Status | Active | Active | Obsolete | Active |
| Clock Frequency | 2 MHz | 5 MHz | 400 kHz | 5 MHz |
| Max Frequency | 2 MHz | 5 MHz | 400 kHz | 5 MHz |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Interface | 3-Wire Serial | SPI | I2C | SPI |
| Memory Organization | 512 x 8, 256 x 16 | 1K x 8 | 512 x 8 | 4K x 8 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
CAV93C66VE-GT3onsemiSimilaronsemi
Pin YesPkg YesElec Mixed
EEPROM Serial 4-Kb Microwire - Automotive Grade, SOIC 8, 150 mils, 3000-REEL
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.