| PartNumber | PIC18F1220T-I/SO | PIC18F1220T-I/SS | PIC18F1220T-I/ML |
| Description | 8-bit Microcontrollers - MCU 4KB 256 RAM 16 I/O | 8-bit Microcontrollers - MCU 4KB 256 RAM 16 I/O | 8-bit Microcontrollers - MCU 4KB 256 RAM 16 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 | SMD/SMT |
| Package / Case | SOIC-18 | SSOP-20 | QFN-28 |
| Series | PIC18(L)F1x20 | PIC18(L)F1x20 | PIC18(L)F1x20 |
| Core | PIC | PIC | PIC |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 40 MHz | 40 MHz | 40 MHz |
| Program Memory Size | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 256 B | 256 B | 256 B |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 16 I/O | 16 I/O | 16 I/O |
| Operating Supply Voltage | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Reel | Reel |
| Height | 2.31 mm | 1.75 mm | 0.88 mm |
| Length | 11.53 mm | 7.2 mm | 6 mm |
| Program Memory Type | Flash | Flash | Flash |
| Width | 7.49 mm | 5.3 mm | 6 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Data ROM Size | 256 B | 256 B | 256 B |
| Data ROM Type | EEPROM | EEPROM | EEPROM |
| Interface Type | EUSART | EUSART | EUSART |
| Number of ADC Channels | 7 | 7 | 7 |
| Number of Timers/Counters | 1 Timer | 1 Timer | 1 Timer |
| Processor Series | PIC18 | PIC18 | PIC18 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 1100 | 1600 | 1600 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.2 V | 4.2 V | 4.2 V |
| Tradename | PIC | PIC | PIC |
| Unit Weight | 0.007408 oz | 0.016000 oz | 0.002497 oz |