| PartNumber | PIC18F4520-I/PT | PIC18F4520-I/P | PIC18F4520-I/ML |
| Description | 8-bit Microcontrollers - MCU 32KB 1536 RAM 36I/O | 8-bit Microcontrollers - MCU 32KB 1536 RAM 36I/O | 8-bit Microcontrollers - MCU 32KB 1536 RAM 36I/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 | Through Hole | SMD/SMT |
| Package / Case | TQFP-44 | PDIP-40 | QFN-44 |
| Series | PIC18(L)Fxx20 | PIC18(L)Fxx20 | PIC18(L)Fxx20 |
| 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 | 32 kB | 32 kB | 32 kB |
| Data RAM Size | 1.5 kB | 1.5 kB | 1.5 kB |
| ADC Resolution | 10 bit | 10 bit | 10 bit |
| Number of I/Os | 36 I/O | 36 I/O | 36 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 | Tray | Tube | Tube |
| Height | 1 mm | 3.81 mm | 0.88 mm |
| Length | 10 mm | 52.26 mm | 8 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 10 mm | 13.84 mm | 8 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Data RAM Type | RAM | RAM | - |
| Data ROM Size | 256 kB | 256 kB | 256 kB |
| Data ROM Type | Flash | Flash | Flash |
| Interface Type | I2C, MSSP, PSP, SPI, USART | I2C, MSSP, PSP, SPI, USART | I2C, MSSP, PSP, SPI, USART |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 13 | 13 | 13 |
| 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 | 160 | 10 | 45 |
| 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 | 0.077179 oz | 0.232808 oz | 0.013051 oz |