We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black square LQFP44 microcontroller chip with silver pins

YINGHUA

YINGHUA PIC18LF66K22-I PT LQFP44 semiconductor

SKU CH-E3HJ-MW1HY

Low-power 8-bit microcontroller in 44-pin LQFP with 66 KB flash and 18 KB RAM

  • Product typeICs Semicoductors
  • Low-power 18-bit core extends battery life
  • 66 KB flash stores larger firmware
  • 21 February 2025 listing shows current availability
  • 44-pin LQFP package fits dense board layouts
  • New condition guarantees factory-fresh reliability

Microcontroller with 66 KB Flash

The PIC18LF66K22-I PT LQFP44 is an 8-bit microcontroller offering 66 KB of flash memory in a 44-pin low-profile quad flat package. It suits engineers developing embedded control applications that require moderate program storage and a compact footprint.

Upgrade from smaller PIC18 variants

Designers move to this device when existing code no longer fits in 18 KB or 22 KB flash alternatives and additional I/O pins are needed. The jump is worthwhile when the project demands the extra 66 KB capacity and the 44-pin layout matches the board design.

Limited by 8-bit architecture and package

The 8-bit core restricts arithmetic throughput for signal-processing tasks, while the fixed 44-pin LQFP package caps the number of available peripherals. Projects needing wider data paths or higher pin counts must select a different microcontroller family.

How it compares

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

Price $29.99
Cheaper than about 56% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

What board footprint does the LQFP44 package need?

The LQFP44 package requires a printed-circuit-board footprint with 44 pins.

How is the PIC18LF66K22-I PT soldered, and what step is often missed?

It is surface-mounted; the step often missed is applying the correct reflow profile for the LQFP44 body.

When will the PIC18LF66K22-I PT need replacement?

Replacement is only needed if the device fails or the design changes; no scheduled maintenance is required.

More in Encoders & Semiconductor Parts

Similar items