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Square black LQFP44 microcontroller chip with silver pins

YINGHUA

YINGHUA PIC18LF4685-E PT LQFP44 semiconductor

SKU CH-EVAP-7Z2PM

An 18-bit microcontroller in a 44-pin LQFP package for embedded designs

  • Product typeICs Semicoductors
  • Low-power operation with 18-series architecture
  • 44-pin LQFP package enables compact PCB design
  • PIC18LF4685-E PT model suits embedded control tasks
  • New condition ensures reliable out-of-box performance
  • First listed by manufacturer in February 2025

Microcontroller IC with 44-pin package

The YINGHUA PIC18LF4685-E PT is an 18-series microcontroller supplied in a 44-pin LQFP package. It targets engineers designing embedded control boards that need a compact surface-mount device. The part is stocked as new and was first listed by the manufacturer in 2025.

4685 flash memory and peripheral set

On-chip program memory of 4685 bytes provides room for modest firmware and lookup tables. The core handles typical 8-bit arithmetic and I/O tasks such as sensor polling or simple protocol handling. Larger applications that require extensive buffers or complex math libraries will exceed the available flash and RAM headroom.

LQFP44 footprint for dense PCB layouts

The 44-lead LQFP body keeps the board footprint small while offering enough pins for multiple I/O ports and power rails. Standard reflow profiles apply and the lead pitch suits automated assembly lines. Designs that need higher pin counts or through-hole mounting must select a different package option.

How it compares

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

Price $74.99
Pricier than about 75% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

Will the 44-pin LQFP package fit the same footprint as older PIC18 parts I already use?

The PIC18LF4685-E uses a 44-pin LQFP package; verify the pin-out and voltage levels against your existing board layout before swapping devices.

How can I confirm the PIC18LF4685-E is running correctly after soldering it onto my board?

Apply power within the specified range, then check that the oscillator starts and the device responds to ICSP programming on the PGD/PGC pins.

Does the package include a programming header or socket, or must I source those separately?

Only the PIC18LF4685-E PT LQFP44 IC is supplied; any ICSP header, socket or programmer must be purchased separately.

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