8-bit RISC microcontroller featuring 16KB FLASH memory and 768B RAM. Operates at a maximum frequency of 40MHz with an 8-bit data bus width. Supports I2C, SPI, and USART/UART interfaces, along with PWM and watchdog timer peripherals. Packaged in a 44-pin QFN surface mount configuration, this lead-free component operates from 4.2V to 5.5V, with a typical supply voltage of 5V, and a temperature range of -40°C to 85°C.
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Microchip PIC18F4420-I/ML technical specifications.
| Access Time | 40us |
| Package/Case | QFN |
| Core Architecture | PIC |
| Data Bus Width | 8b |
| Frequency | 40MHz |
| Interface | I2C, SPI, USART, UART |
| Lead Free | Lead Free |
| Max Frequency | 40MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 1W |
| Max Supply Voltage | 5.5V |
| Memory Size | 16KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 4.2V |
| Mount | Surface Mount |
| Number of I/Os | 36 |
| Number of Programmable I/O | 36 |
| Number of Timers/Counters | 4 |
| Operating Supply Voltage | 5V |
| Package Quantity | 45 |
| Packaging | Rail/Tube |
| Peripherals | PWM, I2C |
| Radiation Hardening | No |
| RAM Size | 768B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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