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Square black 64-pin TQFP microcontroller chip

YINGHUA

YINGHUA PIC18C658-IPT 64-TQFP semiconductor

SKU CH-NGXY-BKFQ6

A new 64-pin microcontroller IC in TQFP package for embedded applications

  • Product typeICs Semicoductors
  • PIC18C658-IPT microcontroller delivers 8-bit processing power
  • 64-pin TQFP package enables compact surface-mount integration
  • 658 model variant provides specific peripheral configuration
  • New condition ensures factory-fresh reliability for production
  • First listed February 21, 2025 confirms current manufacturing availability

PIC18C658-IPT 64-TQFP microcontroller

The PIC18C658-IPT is a new microcontroller from YINGHUA supplied in a 64-pin TQFP package. It targets embedded engineers and hobbyists who need an 8-bit core with integrated peripherals for control-oriented tasks. The device suits projects where a compact surface-mount footprint and established PIC18 architecture simplify firmware migration. Buyers who require a higher pin count or a different package style should verify compatibility before ordering.

Thermal and power profile in typical operation

The component operates within standard commercial temperature ranges for plastic-encapsulated ICs. Dynamic current draw scales with clock frequency and peripheral usage, while static leakage remains low in sleep modes. No active cooling is required for typical embedded workloads. Designers must consult the datasheet for exact voltage limits and thermal resistance values before finalising a board layout.

Upgrade path from earlier PIC18 variants

The 64-pin TQFP version replaces older 40-pin or 64-pin DIP and PLCC devices when PCB space is constrained and surface-mount assembly is preferred. Migration is worthwhile when an application needs the specific peripheral mix of the 658 variant and can accommodate the lead-free 2025 production timeline. Projects locked to through-hole footprints or legacy voltage rails will not benefit from a direct swap.

How it compares

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

Price $92.99
Pricier than about 79% of the 1,027 comparable items (median $34.99).

Specifications

Product
Product typeICs Semicoductors

Questions about this item

How do I install the 64-TQFP package on a PCB?

The 64-TQFP package requires surface-mount soldering with precise alignment of all 64 leads; the step often missed is verifying lead coplanarity before reflow to prevent open joints.

What maintenance or replacement will the PIC18C658-IPT need later?

As a one-time programmable microcontroller, the device itself cannot be reprogrammed; replacement requires desoldering the 64-TQFP package and programming a new unit with the same firmware.

What limit appears first during sustained operation of this 18-series MCU?

The primary limit under sustained use is the maximum junction temperature dictated by the 64-TQFP thermal resistance; exceeding it causes timing errors or permanent silicon damage.

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