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Small square black LQFP44 microcontroller chip with silver pins

YINGHUA

YINGHUA PIC18F4221-I PT LQFP44 semiconductor

SKU CH-GHMW-5AK5R

Microchip 8-bit microcontroller with 18 KB flash in 44-pin LQFP package

  • Product typeICs Semicoductors
  • PIC18F4221-I microcontroller in LQFP44 package
  • 44-pin LQFP footprint for space-efficient PCB design
  • New condition ensures factory-fresh reliability and performance
  • First listed by manufacturer in June 2026
  • IC semiconductor type suited for embedded control applications

Microcontroller for Embedded Control

The PIC18F4221-I PT LQFP44 is an 8-bit microcontroller intended for engineers developing embedded control applications. Its 44-pin low-profile quad flat package suits compact circuit boards in industrial or consumer devices.

Integration into a PCB Design

The device mounts directly onto a printed circuit board using surface-mount technology and requires an external oscillator, power regulation and passive components. The 44-pin layout provides multiple I/O ports for interfacing with sensors, actuators or communication modules.

Behaviour Under Sustained Operation

The microcontroller executes instructions using an 18-bit wide program memory bus, enabling efficient code density for continuous firmware loops. Stable operation depends on adequate decoupling capacitors and thermal management within the enclosure.

How it compares

Measured against everything we stock in Encoders & Semiconductor Parts, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 67% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

How much flash memory does the PIC18F4221-I provide for program storage?

The device includes 18 KB of flash program memory for code storage.

What is the typical power draw when the microcontroller runs continuously at 5 V?

Active current is typically a few milliamps at 5 V; exact value depends on clock speed and enabled peripherals.

Which programmer or debugger hardware is required to load firmware onto this LQFP44 part?

A Microchip PICkit, MPLAB ICD or compatible ICSP programmer with 5 V target support is needed.

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