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PIC18F45K22-I/PT

MCHPPIC18F45K22-I/PT

Microchip Technology
Close feature set with a smaller flash footprint option in the same PIC18K22 family for slightly lower-cost designs.
Active2,240 in stock
Datasheet Digi-Key Compare Prices

Overview

The PIC18F45K22-I/PT is a high-performance 8-bit microcontroller featuring 32KB of Flash memory and a 64MHz maximum clock speed. It belongs to the PIC18K22 family and offers a balanced feature set including a hardware multiplier, 256 bytes of EEPROM, and a wide operating voltage range. This TQFP-44 device is designed for general-purpose embedded applications requiring a C-optimized architecture and low power consumption.

Why Choose This Part

The microcontroller provides 64MHz performance via an internal PLL and 16MHz oscillator, eliminating the need for external crystals in many designs. It features a robust peripheral set including 31-level hardware stack and priority interrupts, which simplifies real-time task management. The single-cycle 8x8 hardware multiplier significantly accelerates math-intensive firmware compared to standard 8-bit cores.

Applications

Industrial Sensor Interfaces
Utilizes the integrated ADC with auto-acquisition and the Fixed Voltage Reference for precise analog sensor measurements.
Communication Bridges
Leverages multiple UART, SPI, and I2C interfaces to act as a gateway between different serial communication protocols.
Low-Power Monitoring
Ideal for battery-operated devices using Sleep and Idle modes, with current consumption as low as 20uA in shutdown.
System Logic Controllers
Uses its 35 I/O pins and hardware PWM modules to manage system-level logic and basic motor or lighting control.

Key Specifications

Speed 64MHz
RAM Size 1.5K x 8
Core Size 8-Bit
EEPROM Size 256 x 8
Peripherals Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Connectivity I2C, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 35
Core Processor PIC
Package / Case 44-TQFP
Data Converters A/D 30x10b
Oscillator Type Internal
Program Memory Size 32KB (16K x 16)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 44-TQFP (10x10)
Voltage - Supply (Vcc/Vdd) 2.3V ~ 5.5V

Getting Started

Development is primarily supported through Microchip MPLAB X IDE and the XC8 C Compiler. For hardware debugging and programming, the MPLAB PICkit 4 or MPLAB ICD 4 probes are recommended via the ICSP interface. Evaluation can be performed using the Curiosity Development Board or by designing a custom PCB based on the 44-pin TQFP footprint.

Part of PIC Microcontrollers family » PIC18F

PIC18F Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Flash RAM I/O Pins Package Speed ADC/DAC Stock
PIC18F45K22-I/PT (this part) 32KB 1.5K 35 TQFP-44 64M A/D 30x10b 2,240
PIC18F26K42-I/SO 64KB 4K 25 SOIC-28 64M A/D 24x12b; D/A 1x5b 25,499
PIC18F25Q10-I/SS 32KB 2K 25 SSOP-28 64M A/D 24x10b; D/A 1x5b 40,450
PIC18F26K83-E/SS 64KB 4K 25 SSOP-28 64M A/D 24x12b; D/A 1x5b 4,276
PIC18F46Q10-I/PT 64KB 3.53K 36 TQFP-44 64M A/D 35x10b; D/A 1x5b 2,422
PIC18F25K22-I/SS 32KB 1.5K 24 SSOP-28 64M A/D 19x10b 7,744
PIC18F16Q40-I/SS 64KB 4K 18 SSOP-20 64M A/D 17x12b; D/A 2x8b 581
PIC18F25Q10-I/SO 32KB 2K 25 SOIC-28 64M A/D 24x10b; D/A 1x5b 1,745
PIC18F14K22-I/P 16KB 512 x 8 17 DIP-20 64M A/D 12x10b 1,733
PIC18F26Q84-I/SS 64KB 4K 25 SSOP-28 64M A/D 24x12b; D/A 1x8b 1,049
PIC18F25K42-E/SS 32KB 2K 25 SSOP-28 64M A/D 24x12b; D/A 1x5b 620
PIC18F26Q10-I/SS 64KB 3.53K 25 SSOP-28 64M A/D 24x10b; D/A 1x5b 1,184
PIC18F4550-I/P 32KB 2K 35 TQFP-44 48M A/D 13x10b 1,339
PIC18F46K22-I/PT 64KB 3.8K 35 TQFP-44 64M A/D 30x10b 12,258
PIC18F46K22-I/P 64KB 3.8K 35 TQFP-44 64M A/D 30x10b 91,882
PIC18F4550-I/PT 32KB 2K 35 TQFP-44 48M A/D 13x10b 1,941
PIC18F4520-I/P 32KB 1.5K 36 TQFP-44 40M A/D 13x10b 4,695
PIC18F47K42-E/MV 128KB 8K 36 UFQFN-40 64M A/D 35x12b; D/A 1x5b 257
PIC18F47Q10-I/PT 128KB 3.53K 36 TQFP-44 64M A/D 35x10b; D/A 1x5b 429
PIC18F4620-I/P 64KB 3.8K 36 TQFP-44 40M A/D 13x10b 7,121
PIC18F45Q10-E/MPVAO 32KB 2.25K 36 VFQFN-40 64M A/D 35x10b SAR; D/.. 503

Also Consider

PIC18F46K22-I/PT MCHPMicrochip Technology - Offers double the Flash memory at 64KB while maintaining the same pinout and peripheral set for designs that outgrow the 32KB limit.