Microchip PIC18F4520-I/P, 8bit PIC Microcontroller, 40MHz, 32 kB, 256 B Flash, 40-Pin PDIP

  • RS Stock No. 887-7268
  • Mfr. Part No. PIC18F4520-I/P
  • Manufacturer Microchip
Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

PIC18F2420/2520/4420/4520 8-Bit Microcontrollers

The PIC18F Microcontrollers from Microchip are the most capable 8-bit devices within Microchip’s offer. Available within the range is CAN, LIN and Ethernet capability as part of a comprehensive range of peripherals to meet the needs of embedded applications and versions featuring XLP (Extreme Low-Power) Technology for where power consumption is a key consideration.

The PIC18F2420/2520/4420/4520 family of Microcontrollers is based upon Microchip’s PIC18 architecture offering a 31 level hardware stack and 75 instructions. These MCUs provide up to 10 MIPS, up to 64 Kbytes program memory RAM of up to 3896 bytes. On board is a configurable oscillator.

Microcontroller Features

40 MHz Max. CPU Speed
75 Instructions – 83 with Extended Instruction Set Enabled
31 Level Hardware Stack
Configurable Internal Oscillator – Selectable Frequency Range 8 MHz to 31 kHz
25 I/O Pins – PIC18F2420/2520 Models
36 I/O Pins – PIC18F4420/4520 Models
nanoWatt Technology
Power-On Reset (POR)
Power-Up Timer (PWRT)
Oscillator Start-Up Timer (OST)
Brown-Out Reset (BOR)
Extended Watchdog Timer (WDT)
High/Low-Voltage Detection (HLVD) Module
Low-Voltage Programming (LVP)
In-Circuit Serial Programming (ICSP)
In-Circuit Debug (ICD)


10-bit Analogue to Digital Converter (ADC) – PIC18F2420/2520 Models 10 Channels; PIC18F4420/4520 13 Channels
One Enhanced Capture, Compare, PWM Module – PIC18F4420/4520 Models Only
Capture, Compare, PWM Modules – PIC18F2420/2520 Models x 2, PIC18F4420/4520 Models x 1
Two Comparators
One 8-bit Timer
Three 16-bit Timers
Master Synchronous Serial Port (MSSP) Module with SPI and I2C
Enhanced Addressable Universal Synchronous Asynchronous Receiver Transmitter (EUSART)

Attribute Value
Family Name PIC18F
Package Type PDIP
Mounting Type Through Hole
Pin Count 40
Device Core PIC
Data Bus Width 8bit
Program Memory Size 32 kB, 256 B
Maximum Frequency 40MHz
RAM Size 1.536 kB
Number of PWM Units 2
ADC Channels 13
Number of SPI Channels 1
Typical Operating Supply Voltage 4.2 to 5.5 V
Height 4.95mm
Width 0.58in
Number of USART Channels 1
Timers 1 x 8 bit, 3 x 16 bit
Dimensions 2.095 x 0.58 x 0.195in
Pulse Width Modulation 1(CCP), 1(ECCP)
Program Memory Type Flash
Number of Timers 4
Number of I2C Channels 1
Number of ADC Units 1
Timer Resolution 8 bit, 16 bit
ADCs 13 x 10 bit
Maximum Operating Temperature +85 °C
Length 53.21mm
Instruction Set Architecture RISC
Minimum Operating Temperature -40 °C
ADC Resolution 10bit
140 In stock for delivery within 6 working days
Price (VAT excluded) Each (In a Tube of 10)
TWD 174.20
(exc. GST)
TWD 182.90
(inc. GST)
Per unit
Per Tube*
10 - 10
20 +
*price indicative