Microchip Technology AT93C66A-10TU-1.8 EEPROM
EEPROM Memory IC 4Kbit 3-Wire Serial 2 MHz 1.8V ~ 5.5V 8-TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT93C66A-10TU-1.8
Detailed Description
IC EEPROM 4KBIT 3-WIRE 8TSSOP
Package
8-TSSOP
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
AT93C66A-10TU-1.8 Datasheet
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Technical Specifications
Microchip Technology AT93C66A-10TU-1.8 EEPROM technical specifications.
General
Memory Size
4Kbit
RoHS
ROHS3 Compliant
Package / Case
8-TSSOP
Packaging
Tube
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 5.5V
Lifecycle Status
Obsolete
Max Frequency
2 MHz
Memory Interface
3-Wire Serial
Related Parts Comparison (AT93C66A-10TU-1.8 vs AT34C02C-TH-T vs AT25020A-10TU-1.8 vs AT34C02B-10TU-1.7)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 8-TSSOP | 8-TSSOP | 8-TSSOP | 8-TSSOP |
| 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 | 1.8V ~ 5.5V | 1.7V ~ 5.5V | 1.8V ~ 5.5V | 1.7V ~ 3.6V |
| Memory Size | 4Kbit | 2Kbit | 2Kbit | 2Kbit |
| RoHS | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Active |
| Clock Frequency | 2 MHz | 400 kHz | 20 MHz | 400 kHz |
| Max Frequency | 2 MHz | 400 kHz | 20 MHz | 400 kHz |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Interface | 3-Wire Serial | I2C | SPI | I2C |
| Memory Organization | 512 x 8, 256 x 16 | 256 x 8 | 256 x 8 | 256 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 .
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