PIC18F in PIC Microcontrollers Family
The PIC18F family by Microchip Technology represents the high-performance tier of 8-bit microcontrollers, bridging the gap between standard 8-bit MCUs and 16-bit devices. Built on an advanced Harvard architecture, these controllers feature an enhanced instruction set, large address space, and hardware multiplier. They are designed for applications requiring complex control logic, robust peripheral integration, and low power consumption, frequently incorporating eXtreme Low Power (XLP) technology for battery-operated environments.
Variants in This Sub-Family
Comparing specs that differ across variants.
| Part Number | Flash | RAM | I/O Pins | Package | Speed | ADC/DAC | Stock |
|---|---|---|---|---|---|---|---|
| PIC18F26K42-I/SO (Microchip Technology) | 64KB | 4K | 25 | SOIC-28 | 64M | A/D 24x12b; D/A 1x5b | 25,499 |
| PIC18F25Q10-I/SS (Microchip Technology) | 32KB | 2K | 25 | SSOP-28 | 64M | A/D 24x10b; D/A 1x5b | 40,450 |
| PIC18F26K83-E/SS (Microchip Technology) | 64KB | 4K | 25 | SSOP-28 | 64M | A/D 24x12b; D/A 1x5b | 4,276 |
| PIC18F46Q10-I/PT (Microchip Technology) | 64KB | 3.53K | 36 | TQFP-44 | 64M | A/D 35x10b; D/A 1x5b | 2,422 |
| PIC18F25K22-I/SS (Microchip Technology) | 32KB | 1.5K | 24 | SSOP-28 | 64M | A/D 19x10b | 7,744 |
| PIC18F25K42-E/SS (Microchip Technology) | 32KB | 2K | 25 | SSOP-28 | 64M | A/D 24x12b; D/A 1x5b | 620 |
| PIC18F16Q40-I/SS (Microchip Technology) | 64KB | 4K | 18 | SSOP-20 | 64M | A/D 17x12b; D/A 2x8b | 581 |
| PIC18F25Q10-I/SO (Microchip Technology) | 32KB | 2K | 25 | SOIC-28 | 64M | A/D 24x10b; D/A 1x5b | 1,745 |
| PIC18F14K22-I/P (Microchip Technology) | 16KB | 512 x 8 | 17 | DIP-20 | 64M | A/D 12x10b | 1,733 |
| PIC18F26Q84-I/SS (Microchip Technology) | 64KB | 4K | 25 | SSOP-28 | 64M | A/D 24x12b; D/A 1x8b | 1,049 |
| PIC18F26Q10-I/SS (Microchip Technology) | 64KB | 3.53K | 25 | SSOP-28 | 64M | A/D 24x10b; D/A 1x5b | 1,184 |
| PIC18F4550-I/P (Microchip Technology) | 32KB | 2K | 35 | TQFP-44 | 48M | A/D 13x10b | 1,682 |
| PIC18F4520-I/P (Microchip Technology) | 32KB | 1.5K | 36 | TQFP-44 | 40M | A/D 13x10b | 4,695 |
| PIC18F46K22-I/P (Microchip Technology) | 64KB | 3.8K | 35 | TQFP-44 | 64M | A/D 30x10b | 3,522 |
| PIC18F46K22-I/PT (Microchip Technology) | 64KB | 3.8K | 35 | TQFP-44 | 64M | A/D 30x10b | 3,522 |
| PIC18F45K22-I/PT (Microchip Technology) | 32KB | 1.5K | 35 | TQFP-44 | 64M | A/D 30x10b | 2,240 |
| PIC18F4550-I/PT (Microchip Technology) | 32KB | 2K | 35 | TQFP-44 | 48M | A/D 13x10b | 1,518 |
| PIC18F45K22-I/P (Microchip Technology) | 32KB | 1.5K | 35 | TQFP-44 | 64M | A/D 30x10b | 2,240 |
| PIC18F47K42-E/MV (Microchip Technology) | 128KB | 8K | 36 | UFQFN-40 | 64M | A/D 35x12b; D/A 1x5b | 257 |
| PIC18F47Q10-I/PT (Microchip Technology) | 128KB | 3.53K | 36 | TQFP-44 | 64M | A/D 35x10b; D/A 1x5b | 429 |
| PIC18F4620-I/P (Microchip Technology) | 64KB | 3.8K | 36 | TQFP-44 | 40M | A/D 13x10b | 7,121 |
| PIC18F45Q10-E/MPVAO (Microchip Technology) | 32KB | 2.25K | 36 | VFQFN-40 | 64M | A/D 35x10b SAR; D/.. | 503 |
| PIC18F66K80-I/PT (Microchip Technology) | 64KB | 3.6K | 54 | TQFP-64 | 64M | A/D 11x12b | 654 |
| PIC18F13K22-I/SS (Microchip Technology) | 8KB | 256 x 8 | 17 | SSOP-20 | 64M | A/D 12x10b | 1,767 |
| PIC18F26K40-I/SP (Microchip Technology) | 64KB | 3.6K | 25 | DIP-28 | 64M | A/D 24x10b; D/A 1x5b | 1,333 |
| PIC18F47Q10-E/PT (Microchip Technology) | 128KB | 3.53K | 36 | TQFP-44 | 64M | A/D 35x10b SAR; D/.. | — |
| PIC18F26Q10-E/ML (Microchip Technology) | 64KB | 3.53K | 25 | VQFN-28 | 64M | A/D 24x10b; D/A 1x5b | — |
| PIC18F4423-I/PT (Microchip Technology) | 16KB | 768 x 8 | 36 | TQFP-44 | 40M | A/D 13x12b | 160 |
| PIC18F67J10-I/PT (Microchip Technology) | 128KB | 3.8K | 50 | TQFP-64 | 40M | A/D 11x10b | 472 |
| PIC18F4455-I/P (Microchip Technology) | 24KB | 2K | 35 | TQFP-44 | 48M | A/D 13x10b | 300 |
| PIC18F25K42-E/MV (Microchip Technology) | 32KB | 2K | 25 | UFQFN-28 | 64M | A/D 24x12b; D/A 1x5b | — |
| PIC18F26K42-I/SP (Microchip Technology) | 64KB | 4K | 25 | DIP-28 | 64M | A/D 24x12b; D/A 1x5b | 963 |
| PIC18F26K22-I/SP (Microchip Technology) | 64KB | 3.8K | 24 | DIP-28 | 64M | A/D 19x10b | 1,636 |
| PIC18F27Q10-E/ML (Microchip Technology) | 128KB | 3.53K | 25 | VQFN-28 | 64M | A/D 24x10b; D/A 1x5b | — |
| PIC18F45K20-I/P (Microchip Technology) | 32KB | 1.5K | 35 | TQFP-44 | 64M | A/D 14x10b | 169 |
Variants within the PIC18F family are distinguished by memory density, ranging from 16KB to 128KB of Flash, and pin counts from 18 to 100 pins. Sub-families like the 'Q' series focus on advanced analog and hardware timers, while 'K' variants often emphasize eXtreme Low Power (XLP) efficiency. Specific models include integrated USB transceivers or CAN-FD controllers, allowing designers to select a part optimized for their specific connectivity and safety requirements.
