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Small square black microchip with forty-four pins

YINGHUA

YINGHUA PIC18F4685-EPT LQFP44 semiconductor

SKU CH-RZTP-SA0KY

An 18-pin semiconductor IC in a 44-pin LQFP package for embedded control applications

  • Product typeICs Semicoductors
  • PIC18F4685 microcontroller core enables advanced embedded control
  • LQFP44 package provides 44 pins for flexible circuit integration
  • New condition ensures reliable performance from first use
  • Semiconductor IC design supports efficient electronic applications
  • Manufacturer listed February 21 2025 confirms current production status

Embedded microcontroller for 44-pin designs

The YINGHUA PIC18F4685-EPT is an 18-series microcontroller in a 44-pin LQFP package. It targets engineers building compact embedded boards where pin count and footprint are constrained. The part is supplied new and suits industrial, automotive or consumer control tasks that fit the device resources.

LQFP44 package fixes pin count and board layout

The 44-lead quad flat pack sets a hard limit on available I/O and peripheral connections. Designers must map every required signal to the fixed pin-out before committing to PCB layout. No additional pins can be added later, so early schematic validation is essential.

Surface-mount LQFP demands precise assembly

The fine-pitch leads require accurate solder-paste printing and reflow profiling to avoid bridges or opens. Automated optical inspection is recommended after placement. The thin package body sits close to the board, limiting rework access and making first-pass yield critical for production flow.

How it compares

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

Price $76.99
Pricier than about 75% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

Which PIC18F4685-EPT package fits my board layout?

The LQFP44 package has 44 pins in a low-profile quad flat pack, so match the footprint and pin pitch on your PCB before ordering.

How does the 18F core perform in a real application?

The PIC18F4685-EPT runs an 18-bit instruction set with on-chip flash and peripherals, letting it handle control loops and I/O tasks in embedded designs.

What programming interface does the LQFP44 device use?

The chip supports standard ICSP via the PGC and PGD pins on the 44-pin package, enabling in-circuit serial programming with a compatible programmer.

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