onsemi CAT93C66YI-GT3 Microcontrollers
EEPROM Serial 4-Kb Microwire, TSSOP8, 4.4x3, 3000-REEL
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
CAT93C66YI-GT3
Base Model
Detailed Description
EEPROM Serial 4-Kb Microwire, TSSOP8, 4.4x3, 3000-REEL
Package
8-TSSOP (0.173", 4.40mm Width)
Lifecycle Status
Obsolete
Datasheet
CAT93C66YI-GT3 Datasheet
Quick Jump:
Technical Specifications
onsemi CAT93C66YI-GT3 Microcontrollers technical specifications.
General
Interface
Serial-Microwire
Memory Size
4K
RoHS
Compliant
Number of Pins
8
Package / Case
8-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.5/3.3/5
Lifecycle Status
Obsolete
Automotive
No
Alternate Parts Comparison (CAT93C66YI-GT3 vs CAT93C46BVI-GT3 vs CAT93C46VI-TE13 vs CAT93C66VI)
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-TSSOP | 8-SOIC | 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 ~ 85°C (TA) |
| Supply Voltage | 2.5/3.3/5 | 1.8V ~ 5.5V | 5V | 2.5/3.3/5 |
| Memory Size | 4K | 1Kb (128 x 8, 64 x 16) | 1Kb | 4K |
| Max Frequency | 2 | 4 MHz | 1MHz | 2 |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Technology | EEPROM | EEPROM | EEPROM | EEPROM |
| Interface | Serial-Microwire | -- | MICROWIRE | Serial-Microwire |
| Number of Pins | 8 | 8 | -- | 8 |
| RoHS | Compliant | Yes | Yes | Compliant |
| 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
Directonsemi
Pin YesPkg YesElec Yes
EEPROM Memory IC 4Kbit Microwire 2 MHz 8-TSSOP
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.