The Microchip PIC18F45K50-I/MV is an 8-bit PIC MCU in the PIC® XLP™ 18K family, clocked at 48 MHz and built around a hardware multiplier and 16-bit instruction word. USB 2.0 connectivity is the headline interface, backed by I²C, SPI, and two UART/USART channels, giving it a natural fit for USB-to-sensor bridges, data loggers, and handheld instruments that talk to a PC. The 33 I/O lines and 25-channel 10-bit ADC cover most mixed-signal control tasks without external muxing.
PIC18F45K50-I/MV Microchip 8-bit MCU, 48 MHz, 32 KB Flash
MPNPIC18F45K50-I/MV
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Microchip PIC® XLP™ 18K series, PIC18F45K50-I/MV, 8-bit MCU, 48 MHz, 32KB Flash, 2K x 8 RAM, 256 x 8 EEPROM, USB 2.0, I2C/SPI/UART, 33 I/O, 40-UQFN (5x5), -40°C to 85°C, 2.3V–5.5V.
$3.9000Ref. price · indicative, final on quote
Packaging40-UFQFN Exposed Pad
RoHSROHS3 Compliant
SeriesPIC® XLP™ 18K
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | PIC® XLP™ 18K |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2.3V ~ 5.5V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 48MHz |
| Package | Tube |
| RAM size | 2K x 8 |
| Core size | 8-Bit |
| EEPROM size | 256 x 8 |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | I²C, SPI, UART/USART, USB |
| Number of i (O) | 33 |
| Core processor | PIC |
| Case | 40-UFQFN Exposed Pad |
| Data converters | A/D 25x10b |
| Program memory size | 32KB (16K x 16) |
Product details
Frequently asked questions
What is the PIC18F45K50-I/MV microcontroller used for?
It is an 8-bit MCU with USB 2.0, I²C, SPI, and UART interfaces, 32 KB Flash, 2 KB RAM, and 256 bytes EEPROM.
What is the replacement for PIC18F45K50-I/MV?
Microchip has not announced a direct replacement or successor for this part. The PIC16LF1559-I/SS is a lower-pin-count, lower-speed (32 MHz) MCU without USB, so it is not a functional substitute. For USB-capable 8-bit MCUs, the PIC18F47K42 series is a newer family but has a different pinout and peripheral set — verify footprint compatibility before substituting.