| PartNumber | PIC16LC66-04I/SO | PIC16LC66-04/SO | PIC16LC66-04/SP |
| Description | 8-bit Microcontrollers - MCU 14KB 368 RAM 22 I/O | 8-bit Microcontrollers - MCU 14KB 368 RAM 22 I/O | 8-bit Microcontrollers - MCU 14KB 368 RAM 22 I/O |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | SOIC-28 | SOIC-28 | PDIP-28 |
| Series | PIC16(L)C6x | PIC16(L)C6x | PIC16(L)C6x |
| Core | PIC | PIC | PIC |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 4 MHz | 20 MHz | 20 MHz |
| Program Memory Size | 8 kB | 8 kB | 8 kB |
| Data RAM Size | 368 B | 368 B | 368 B |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 22 I/O | 22 I/O | 22 I/O |
| Operating Supply Voltage | 2.5 V to 6 V | 2.5 V to 6 V | 2.5 V to 6 V |
| Minimum Operating Temperature | - 40 C | 0 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 70 C |
| Packaging | Tube | Tube | Tube |
| Height | 2.31 mm | 2.05 mm | 3.3 mm |
| Length | 17.87 mm | 17.9 mm | 34.67 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | EPROM | EPROM | EPROM |
| Width | 7.49 mm | 7.5 mm | 7.24 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Data ROM Size | 368 B | 368 B | 368 B |
| Data ROM Type | EPROM | EPROM | EPROM |
| Interface Type | I2C, SPI, USART | I2C, SPI, USART | I2C, SPI, USART |
| Moisture Sensitive | Yes | Yes | - |
| Number of Timers/Counters | 16 Timer | 3 Timer | 3 Timer |
| Processor Series | PIC16 | PIC16 | PIC16 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 27 | 27 | 15 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 6 V | 6 V | 6 V |
| Supply Voltage Min | 2.5 V | 2.5 V | 2.5 V |
| Tradename | PIC | PIC | PIC |
| Unit Weight | 0.078125 oz | 0.078125 oz | 0.147798 oz |