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Manufacturer Part #


PIC18F Series 8 KB Flash 512 B RAM 64 MHz 8-Bit Microcontroller - PDIP-40

Mfr. Name: Microchip
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Product Specification Section
Technical Attributes
Attributes Table
Family Name: PIC18
Core Processor: PIC
Program Memory Type: Flash
Flash Size (Bytes): 8kB
RAM Size: 512B
Speed: 64MHz
No of I/O Lines: 36
InterfaceType / Connectivity: I2C/SPI/USART
Peripherals: Analog Comparators/I2C/On-Chip-ADC/PWM/SPI/USART/Watchdog
Number Of Timers: 4
Supply Voltage: 1.8V to 3.6V
Operating Temperature: -40°C to +85°C
On-Chip ADC: 14-chx10-bit
Watchdog Timers: 1
Package Style:  PDIP-40
Mounting Method: Through Hole
Features & Applications
PIC18F43K20-I/P is a 8-bit Microcontroller has 8 Kbytes of Flash Program Memory in a 40 Pin PDIP package. It has an industrial temperature range from (-40°C to +85°C).

Microchip provides solutions for the entire performance range of 8-bit, 16-bit, and 32-bit microcontrollers, with a powerful architecture, flexible memory technologies, comprehensive easy-to-use development tools, complete technical documentation and post design-in support through a global sales and distribution network. 16-bit PIC Microcontrollers & dsPIC Digital Signal Controllers. Microchip offers two 16-bit Microcontroller (MCU) families plus two 16-bit Digital Signal Controller (DSC) families that give you compatible options across a wide spectrum of price, performance and feature sets.


  • C Compiler Optimized Architecture
  • 16-bit wide instructions, 8-bit wide data path
  • Priority levels for interrupts
  • 31-level, software accessible hardware stack
  • 8 x 8 single-cycle hardware multiplier 
  • Frequencies range of 31 kHz to 16 MHz 
  • 64 MHz performance available using PLL no external components required
  • Four crystal modes up to 64 MHz
  • Two external clock modes up to 64 MHz
  • 4X Phase Lock Loop (PLL)
  • Secondary oscillator using Timer1 @ 32 kHz
  • Fail-Safe Clock Monitor
  • Allows for safe shutdown if peripheral clock stops
  • Two-Speed Oscillator Start-up
  • Special Microcontroller Feature
  • Operating Voltage Range: 1.8 V to 3.6 V
  • Self-Programmable under Software Control
  • Programmable 16-Level High/Low-Voltage Detection (HLVD) 
  • Sleep mode: 100 nA
  • Watchdog Timer: 500 nA
  • Timer1 Oscillator: 500 nA @ 32 kHz
  • Analog Features:
    • Analog-to-Digital Converter (ADC) module 
    • 10-bit resolution
    • 13 External Channels
  • Auto-acquisition capability
  • Conversion available during Sleep  
  • Three programmable external interrupts
  • Four programmable interrupt-on-change
  • Eight programmable weak pull-ups
  • Programmable dead time
  • Auto-Shutdown and Auto-Restart
  • Master Synchronous Serial Port (MSSP) module
  • 3-wire SPI (supports all 4 modes)
  • I2C™ Master and Slave modes with address mask 
  • Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) module

Pricing Section
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Factory Lead Time:
12 Weeks
Web Price
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