PIC18F4539-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock

High Performance RISC CPU: • Linear program memory addressing to 24 Kbytes • Linear data memory addressing to 1.4 Kbytes • 20 MHz operation (5 MIPs): - 20 MHz oscillator/clock input - 5 MHz oscillator/clock input with PLL active • 16-bit wide instructions, 8-bit wide data path • 8 x 8 Single Cycle Hardware Multiplier Special Microcontroller Features: • 100,000 erase/write cycle Enhanced FLASH program memory typical • 1,000,000 erase/write cycle Data EEPROM memory • FLASH/Data EEPROM Retention: >

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
PIC18F4539-I/PDual-In-Line Packages
Quick Facts
Manufacturer
Microchip
Package
Dual-In-Line Packages
Pin Count
40
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $7.0500(MOQ 1)
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Pbfree CodeYes
Manufacturer Package CodePDIP-40
Factory Lead Time6Weeks
YTEOL3
Has ADCYES
Bit Size8
Boundary ScanNO
CPU FamilyPIC18
Clock Frequency-Max40MHz
DAC ChannelsNO
DMA ChannelsNO
FormatFIXED POINT
Integrated CacheNO
JESD-30 CodeR-PDIP-T40
JESD-609 Codee3
Low Power ModeYES
Number of External Interrupts3
Number of I/O Lines32
Number of Serial I/Os1
Number of Timers5
On Chip Data RAM Width8
On Chip Program ROM Width16
PWM ChannelsYES
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeDIP40,.6
Package ShapeRECTANGULAR
Package StyleIN-LINE
Qualification StatusNot Qualified
RAM (bytes)1408
ROM (words)12288
ROM ProgrammabilityFLASH
Screening LevelTS 16949
Speed40MHz
Supply Current-Max25mA
Supply Voltage-Max5.5V
Supply Voltage-Min4.2V
Supply Voltage-Nom5V
Surface MountNO
TechnologyCMOS
Temperature GradeINDUSTRIAL
Terminal FinishMatte Tin (Sn)
Terminal FormTHROUGH-HOLE
Terminal Pitch2.54mm
Terminal PositionDUAL
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISC
PackageDual-In-Line Packages

Compliance & Regulatory

RoHS StatusCompliant
ECCNEAR99
HTS Code8542.31.00.01
Country of OriginThailand

Datasheet

PIC18F4539-I/P Datasheet Download

Official datasheet from Microchip

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for PIC18F4539-I/P:

PIC18F4439-I/PMicrochip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, PIC CPU, 40MHz, CMOS, PDIP40

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PIC18F45J10-I/PMicrochip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP40

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PIC18F44J10-I/PMicrochip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP40

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PIC18F45J10-I/PTMicrochip Technology Inc

44 PIN, 32KB FLASH, 1KB RAM, 32 I/O

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PIC18F44J10-I/PTMicrochip Technology Inc

44 PIN, 16KB FLASH, 1KB RAM, 32 I/O

View Part →

Frequently Asked Questions

What is the price of PIC18F4539-I/P?

PIC18F4539-I/P is priced from $7.0500 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is PIC18F4539-I/P in stock?

PIC18F4539-I/P is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy PIC18F4539-I/P?

You can buy PIC18F4539-I/P from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for PIC18F4539-I/P from Microchip.

What is the datasheet for PIC18F4539-I/P?

The official PIC18F4539-I/P datasheet from Microchip contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does PIC18F4539-I/P come in?

PIC18F4539-I/P is available in Dual-In-Line Packages packaging. See the package diagram and pinout above for detailed dimensional information.

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
$
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

About Microchip

Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

AvailabilityIn Stock
Reference Price (USD)
From $7.0500
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$9.3100$9.31
5+$9.1800$45.90
30+$8.5900$257.70
100+$7.7500$775.00
1000+$7.3000$7300.00
5000+$7.0500$35250.00
pcs
Unit price: $9.3100 · Total: $9.31

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.

TM
Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany