| PartNumber | PIC18F45K20-E/P | PIC18F45K20-E/MV | PIC18F45K20-E/ML |
| Description | 8-bit Microcontrollers - MCU 32KB Flash 1536B RAM 25 I/O 8B | 8-bit Microcontrollers - MCU 32KB FL 1536b RAM 8b Familynanowatt XLP | 8-bit Microcontrollers - MCU 32KB Flash 1536B RAM 25 I/O 8B |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | PDIP-40 | UQFN-40 | QFN-44 |
| Series | PIC18F4xK20 | PIC18F4xK20 | PIC18F4xK20 |
| Core | PIC | PIC | PIC |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 64 MHz | 64 MHz | 64 MHz |
| Program Memory Size | 32 kB | 8 kB | 32 kB |
| Data RAM Size | 1.5 kB | 512 B | 1.5 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 36 I/O | 35 I/O | 36 I/O |
| Operating Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Packaging | Tube | Tube | Tube |
| Height | 3.81 mm | 0.48 mm | 0.88 mm |
| Length | 52.26 mm | 4 mm | 8 mm |
| Product | MCU | - | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 13.84 mm | 4 mm | 8 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Interface Type | CCP, ECCP, EUSART, I2C, MSSP, SPI | I2C, MSSP, RJ11, SCI, SPI, USB | CCP, ECCP, EUSART, I2C, MSSP, SPI |
| Number of ADC Channels | 14 | 14 | 14 |
| Number of Timers/Counters | 4 Timer | 4 Timer | 4 Timer |
| Processor Series | PIC18 | PIC18 | PIC18 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 10 | 73 | 45 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |
| Tradename | PIC | PIC | PIC |
| Unit Weight | 0.210004 oz | - | - |
| Data RAM Type | - | RAM | - |