| Part Number | PIC18LF6390-I/PT | PIC18LF6490-I/PT | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Active | Active | 
| Core Processor | PIC | PIC | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 40MHz | 40MHz | 
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | 
| Peripherals | Brown-out Detect/Reset, HLVD, LCD, POR, PWM, WDT | Brown-out Detect/Reset, HLVD, LCD, POR, PWM, WDT | 
| Number of I/O | 50 | 50 | 
| Program Memory Size | 8KB (4K x 16) | 16KB (8K x 16) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 768 x 8 | 768 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2V ~ 5.5V | 2V ~ 5.5V | 
| Data Converters | A/D 12x10b | A/D 12x10b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 64-TQFP | 64-TQFP | 
| Supplier Device Package | 64-TQFP (10x10) | 64-TQFP (10x10) |