IDT79RC64V474-180DZ

The IDT79RC64V474-180DZ is a 64‑bit, single‑core microprocessor packaged in a 128‑pin PQFP (28×28 mm) intended for embedded applications. It is specified at 180 MHz with 3.3 V I/O and a surface‑mount tray package, targeting consumer‑grade designs that require a 64‑bit MPU in a compact QFP footprint.

This device offers on‑chip features from the RC6447x series—such as set‑associative instruction and data caches, cache locking options and system interfaces—alongside power management and JTAG boundary scan support to aid board bring‑up and system integration.

Key Features

• Core and Performance Single 64‑bit core running at 180 MHz as specified for this part number, suitable for embedded processing tasks that require 64‑bit data paths.
• Memory and Cache On‑chip two‑way set‑associative caches are provided at the series level (16 KB instruction cache and 16 KB data cache) with optional per‑set cache locking to improve real‑time behavior and deterministic performance.
• Power 3.3 V I/O is specified for this device; series documentation also describes active power management including a sleep‑mode feature to reduce power in idle states.
• Interfaces and Bus The series supports a flexible bus interface with 64‑bit and 32‑bit options and SDRAM timing protocol features; this part is supplied in a 128‑pin PQFP ideal for compact board layouts.
• System Integration and Debug JTAG boundary‑scan support is provided at the series level to simplify board‑level testing and bring‑up.
• Package and Mounting Supplier device package: 128‑PQFP (28×28 mm), surface‑mount; supplied in tray packaging for production and assembly workflows.
• Environmental and Qualification RoHS compliant and consumer qualification with an operating temperature range of 0 °C to 70 °C.

Typical Applications

• Embedded Control Used as the main MPU in consumer embedded systems that require a 64‑bit core and on‑chip caches for responsive control tasks.
• User Interface and HMI Suitable for control of graphical or menu‑driven interfaces in consumer products, leveraging on‑chip cache and system interface features to improve responsiveness.
• Industrial/Commercial Appliances Appropriate for appliances within the consumer temperature range (0 °C to 70 °C) where a compact 128‑pin QFP package and 3.3 V I/O simplify integration.
• Embedded Windows CE Devices Series documentation notes Windows CE compliance at the series level, supporting designs that target that operating environment.

Unique Advantages

• 64‑bit Single‑Core Architecture: Provides a wider data path for applications that benefit from 64‑bit processing while retaining single‑core simplicity.
• Deterministic Cache Options: Two‑way set‑associative I‑ and D‑caches with per‑set locking improve real‑time predictability for embedded workloads.
• 3.3 V I/O Compatibility: Standard 3.3 V I/O eases interfacing with common modern memories and peripherals.
• Compact PQFP Package: 128‑pin PQFP (28×28 mm) surface‑mount package provides a balance between pin count and PCB footprint for space‑constrained designs.
• Production‑Friendly Packaging: Supplied in tray format to support automated assembly and volume production processes.
• Standards‑Oriented System Support: Series features such as JTAG boundary scan and documented bus interfaces help reduce integration and test time.

Why Choose IDT79RC64V474-180DZ?

The IDT79RC64V474-180DZ positions itself as a compact, 64‑bit embedded microprocessor option for consumer‑grade systems that require 180 MHz performance, 3.3 V I/O, and a space‑efficient 128‑pin PQFP package. Its on‑chip caches, cache locking options, and series‑level system features support designs that need predictable performance and streamlined board bring‑up.

This part is well suited to customers developing embedded control, HMI, and Windows CE‑targeted devices within the specified operating temperature range, offering a practical blend of integration, testability and supply‑chain friendly packaging for production deployments.

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