PIC18F4431T-I/PT is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Microchip Technology
In Stock: 40
Unit Price: $6.78000
Datasheet

Similar


Infineon Technologies
In Stock: 0
Unit Price: $2.98760
Datasheet
PIC PIC® 18F Microcontroller IC 8-Bit 40MHz 16KB (8K x 16) FLASH 44-TQFP (10x10)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

PIC18F4431T-I/PT

DigiKey Part Number
PIC18F4431T-I/PTTR-ND - Tape & Reel (TR)
PIC18F4431T-I/PTCT-ND - Cut Tape (CT)
PIC18F4431T-I/PTDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
PIC18F4431T-I/PT
Description
IC MCU 8BIT 16KB FLASH 44TQFP
Manufacturer Standard Lead Time
13 Weeks
Customer Reference
Detailed Description
PIC PIC® 18F Microcontroller IC 8-Bit 40MHz 16KB (8K x 16) FLASH 44-TQFP (10x10)
Datasheet
 Datasheet
EDA/CAD Models
PIC18F4431T-I/PT Models
Product Attributes
Filter Similar Products
Category
Program Memory Size
Mfr
Program Memory Type
FLASH
Series
EEPROM Size
256 x 8
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
RAM Size
768 x 8
Part Status
Active
Voltage - Supply (Vcc/Vdd)
4.2V ~ 5.5V
DigiKey Programmable
Verified
Data Converters
A/D 9x10b
Core Processor
PIC
Oscillator Type
Internal
Core Size
Operating Temperature
-40°C ~ 85°C (TA)
Speed
40MHz
Mounting Type
Surface Mount
Connectivity
I2C, SPI, UART/USART
Supplier Device Package
44-TQFP (10x10)
Peripherals
Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
Package / Case
44-TQFP
Number of I/O
36
Base Product Number
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
PIC18F4431-I/PTMicrochip Technology40PIC18F4431-I/PT-ND$6.78000Direct
CY8C4244AXQ-443Infineon Technologies0448-CY8C4244AXQ-443-ND$2.98760Similar
In-Stock: 0
1,200 expected in stock on 29-Dec-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$8.37000$8.37
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,200$6.83750$8,205.00