PIC18F4520-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC18F4520-I/P is an 8-bit PIC18 microcontroller with 32 KB Flash, 256 B EEPROM, integrated ADC, and a 40 MHz maximum clock, housed in a 40-pin DIP package ideal for prototyping and through-hole designs.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F4520-I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.2349(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32 KB Flash program memory and 256 B EEPROM enable storage of complex application code with persistent configuration data
- Up to 40 MHz CPU clock with MPLAB-compatible PIC18 architecture for fast interrupt and peripheral response
- 10-bit ADC with up to 13 channels supports direct analog sensor measurement without external ADC ICs
- 40-pin DIP package allows breadboard and socket-based prototyping, simplifying development and field replacement
Applications
The PIC18F4520-I/P is a popular choice for educational projects, hobbyist robotics, and industrial control prototypes because its 40-pin DIP form factor plugs directly into breadboards and IC sockets. It powers embedded systems that require a combination of analog sensing via its 10-bit ADC and digital communication through USART, SPI, or I2C peripherals. Home automation controllers, motor speed regulators, and data loggers leverage its 32 KB Flash for moderately complex firmware running at up to 40 MHz.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-40 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 40MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDIP-T40 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 36 |
| Number of Serial I/Os | 1 |
| Number of Timers | 4 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP40,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 1536 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Speed | 40MHz |
| Supply Current-Max | 3.5mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC18F4520-I/P Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F4520-I/P:
suggested
suggested
suggested
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP40
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP40
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP40
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP40
Frequently Asked Questions
How many ADC channels does the PIC18F4520-I/P provide and at what resolution?
The PIC18F4520-I/P integrates a 10-bit ADC with up to 13 multiplexed input channels, allowing direct connection to sensors such as thermistors, potentiometers, and pressure transducers without any external ADC circuitry. The 10-bit resolution provides 1024 discrete steps, giving approximately 3.2 mV per step on a 3.3 V reference, which is sufficient for most general-purpose analog measurement tasks.
Why is the 40-pin DIP package of the PIC18F4520-I/P especially useful during product development phases?
The 40-pin DIP package of the PIC18F4520-I/P fits directly into standard 0.6-inch IC sockets and breadboards, eliminating the need for breakout PCBs during early-stage prototyping. Engineers can swap the device between test boards in seconds, and the through-hole 2.54 mm pin pitch makes manual soldering straightforward, reducing development iteration time compared to fine-pitch SMT packages.
When migrating from PIC16F to PIC18F4520-I/P, what firmware or toolchain changes should a developer expect?
Migrating to the PIC18F4520-I/P from a PIC16F device requires updating the project in MPLAB X to target the PIC18F architecture, as PIC18 uses a modified instruction set with 16-bit wide instructions compared to PIC16's 14-bit words. The 32 KB Flash and 40 MHz clock offer significantly more headroom, so existing 16F firmware will typically fit with room for additional features, though linker scripts and interrupt vector addresses will need adjustment to match PIC18 conventions.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $6.2349 | $6.23 |
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