Microchip Technology 93AA66AT-I/OT Memory Integrated Circuit
IC EEPROM 4KBIT SPI 2MHZ SOT23-6
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
93AA66AT-I/OT
Detailed Description
IC EEPROM 4KBIT SPI 2MHZ SOT23-6
Package
SOT-23-6
Key Features
Package / Case: SOT-23-6; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
93AA66AT-I/OT Datasheet
Quick Jump:
Technical Specifications
Microchip Technology 93AA66AT-I/OT Memory Integrated Circuit technical specifications.
General
Interface
Serial-Microwire
Memory Size
4Kb (512 x 8)
RoHS
Compliant
Number of Pins
6
Package / Case
SOT-23-6
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Active
Technology
EEPROM
Alternate Parts Comparison (93AA66AT-I/OT vs 34LC02T-E/OT vs 25AA02UIDT-I/OT vs 24LC025T-I/OT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | SOT-23-6 | SOT-23-6 | SOT-23-6 | SOT-23-6 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.8V ~ 5.5V | 2.2V ~ 5.5V | 1.8V ~ 5.5V | 2.5V ~ 5.5V |
| Memory Size | 4Kb (512 x 8) | 2Kb (256 x 8) | 2Kb (256 x 8) | 2Kb (256 x 8) |
| Interface | Serial-Microwire | Serial-I2C | Serial-SPI | Serial-I2C |
| Number of Pins | 6 | 6 | 6 | 6 |
| RoHS | Compliant | Compliant | Compliant | Compliant |
| Lifecycle Status | Active | Active | Active | Active |
| Automotive | No | Yes | No | No |
| Clock Frequency | 2 MHz | 1 MHz | 10 MHz | 400 kHz |
| Data Retention | 200(Min) | 200(Min) | 200(Min) | 200(Min) |
| 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
CAT93C66VI-GT3onsemiSimilaronsemi
Pin NoPkg NoElec Yes
4Kb EEPROM, Microwire Serial, SOIC 8, 250ns Access, 5.5V
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