Microchip Technology 93LC66BT-I/ST Memory Integrated Circuit
IC EEPROM 4KBIT SPI 2MHZ 8TSSOP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
93LC66BT-I/ST
Detailed Description
IC EEPROM 4KBIT SPI 2MHZ 8TSSOP
Package
8-TSSOP (0.173", 4.40mm Width)
Key Features
Package / Case: 8-TSSOP (0.173", 4.40mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
93LC66BT-I/ST Datasheet
Quick Jump:
Technical Specifications
Microchip Technology 93LC66BT-I/ST Memory Integrated Circuit technical specifications.
General
Interface
Serial-Microwire
Memory Size
4Kb (256 x 16)
RoHS
Compliant
Number of Pins
8
Package / Case
8-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.5V ~ 5.5V
Lifecycle Status
Active
Technology
EEPROM
Related Parts Comparison (93LC66BT-I/ST vs AT24C01B-TH-B vs AT24C32C-TH-T vs AT24C01B-TH-T)
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 | 2.5V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Memory Size | 4Kb (256 x 16) | 1Kb (128 x 8) | 32Kb (4K x 8) | 1Kb (128 x 8) |
| RoHS | Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Clock Frequency | 2 MHz | 1 MHz | 1 MHz | 1 MHz |
| Data Retention | 200(Min) | 100 Year | 100 Year | 100 Year |
| Max Frequency | 2 MHz | 1 MHz | 1 MHz | 1 MHz |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Interface | SPI | I²C | I²C | I²C |
| 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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