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Black square 64-pin TQFP integrated circuit, matte finish

YINGHUA

YINGHUA ATUC64D3-A2UR 64-TQFP semiconductor

SKU CH-Q408-2E5KR

A 64-pin TQFP semiconductor component for integrated circuit applications

  • Product typeICs Semicoductors
  • 64-TQFP package enables dense board layouts
  • New condition ensures factory-fresh reliability
  • IC semiconductor type suits embedded designs
  • First listed June 2026 marks current availability
  • ATUC64D3-A2UR model identifies exact component

Application fit

The ATUC64D3-A2UR is a 64-pin TQFP semiconductor intended for engineers designing compact control boards. Its fine-pitch package suits space-constrained layouts in industrial or consumer electronics. Hobbyists needing through-hole parts should look elsewhere.

Thermal behaviour

The plastic TQFP body dissipates heat through the PCB copper planes during sustained operation. Continuous load performance depends on board stack-up and ambient airflow rather than a dedicated heatsink. Designers must validate junction temperature in their own enclosure.

Upgrade path

The part replaces earlier 64-pin TQFP devices when a pin-compatible drop-in is required. The change is worthwhile when firmware can exploit the updated silicon revision. Boards wired for larger footprints or different pin counts cannot use this IC.

How it compares

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

Price $17.99
Cheaper than about 76% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

What power supply do I need for the ATUC64D3-A2UR to run all day?

The ATUC64D3-A2UR is a 64-TQFP semiconductor; its power requirements are defined by the circuit you design around it.

What programmer or board do I need to use this 64-TQFP IC?

You need a PCB with a matching 64-TQFP footprint and a programmer compatible with the ATUC64D3-A2UR device.

Can I use the ATUC64D3-A2UR on a board made for an older 64-TQFP part?

Only if the pin-out, voltage levels and package dimensions match the ATUC64D3-A2UR exactly.

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