Microchip Technology AT93C66AW-10SU-1.8 Memory Integrated Circuit
IC EEPROM 4KBIT SPI 2MHZ 8SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT93C66AW-10SU-1.8
Detailed Description
IC EEPROM 4KBIT SPI 2MHZ 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
AT93C66AW-10SU-1.8 Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT93C66AW-10SU-1.8 Memory Integrated Circuit technical specifications.
General
Manufacturer
Microchip Technology
Memory Size
4Kb (512 x 8, 256 x 16)
RoHS
ROHS3 Compliant
Package / Case
8-SOIC
Packaging
Tube
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Obsolete
Technology
EEPROM
Alternate Parts Comparison (AT93C66AW-10SU-1.8 vs AT24MAC402-SSHM-T vs AT24C08BN-SH-B vs 24LC01BT-E/SN)
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 ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) |
| Supply Voltage | 1.8V ~ 5.5V | 1.7V ~ 5.5V | 1.8V ~ 5.5V | 2.5V ~ 5.5V |
| Memory Size | 4Kb (512 x 8, 256 x 16) | 2Kb (256 x 8) | 8Kb (1K x 8) | 1Kb (128 x 8) |
| RoHS | ROHS3 Compliant | Compliant | ROHS3 Compliant | Compliant |
| Lifecycle Status | Obsolete | Active | Obsolete | Active |
| Max Frequency | 2 MHz | 1 MHz | 1 MHz | 400 kHz |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Interface | SPI | I²C | I²C | I²C |
| 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.