
8-bit FLASH microcontroller featuring an 8b data bus and a 40MHz maximum operating frequency. This PIC® 18F series MCU offers 4KB of FLASH memory and 512B of RAM, supporting I2C, SPI, and UART/USART interfaces. It includes 36 programmable I/O pins, 4 timers/counters, and integrated peripherals such as Brown-out Detect/Reset, POR, PWM, and WDT. Designed for surface mount applications, it operates within a 2V to 5.5V supply voltage range and is RoHS compliant.
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Microchip PIC18LF4221-I/PT technical specifications.
| Access Time | 40us |
| Package/Case | TQFP |
| Core Architecture | PIC |
| Data Bus Width | 8b |
| Frequency | 40MHz |
| Interface | I2C, SPI, UART, USART |
| Lead Free | Lead Free |
| Max Frequency | 40MHz |
| Max Operating Temperature | 85°C |
| Max Power Dissipation | 1W |
| Max Supply Voltage | 5.5V |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 2V |
| Mount | Surface Mount |
| Number of Programmable I/O | 36 |
| Number of Timers/Counters | 4 |
| Oscillator Type | Internal |
| Package Quantity | 160 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, HLVD |
| Radiation Hardening | No |
| RAM Size | 512B |
| RoHS Compliant | Yes |
| Series | PIC® 18F |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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