IDT79RV4650-267DP

The IDT79RV4650-267DP is a Renesas-sourced MIPS-I microprocessor in the IDT79RV4650 series, offering a single 64-bit core operating at 267 MHz. Designed for embedded, consumer-oriented systems, it provides a combination of 64-bit integer performance and on-chip cache resources suitable for performance-sensitive embedded applications.

This surface-mount device is supplied in a 208‑pin PQFP (28×28 mm) tray package, supports 3.3 V I/O, operates across a 0 °C to 70 °C range, and is RoHS compliant—making it suitable for a range of consumer and multimedia embedded designs.

Key Features

• Core Architecture: MIPS‑I single core, 64‑bit processor operating at 267 MHz, delivering 64‑bit integer register and arithmetic capability.
• On‑Chip Memory: Separate 8 kB instruction cache and 8 kB data cache with 2‑set associative organization, supporting write‑back and write‑through modes and cache locking for deterministic response.
• DSP/Multiply Performance: Integer multiply unit capable of 133.5 million multiply‑accumulate operations per second at 267 MHz, enabling efficient integer DSP workloads.
• System Interface Bandwidth: Synchronized system interface designed to provide system bandwidth up to 1000 MB/s and direct interface to 32‑bit or 64‑bit systems.
• High Internal Cache Bandwidth: Internal caches provide over 3200 MB/s of bandwidth from on‑chip caches to the CPU datapath.
• Power Management: Active power management and standby modes to reduce power consumption of inactive units.
• Electrical and Mechanical: 3.3 V I/O, surface mount 208‑PQFP (28×28 mm) package, supplied in tray format; qualification: Consumer.
• Operating Range and Compliance: Rated for 0 °C to 70 °C operating temperature and RoHS compliant.

Typical Applications

• Consumer Electronics: Embedded control and processing in consumer devices that benefit from a 64‑bit MIPS‑I core and on‑chip caches for responsive performance.
• Multimedia and Game Systems: Integer DSP capability and high multiply‑accumulate throughput support media processing and game system tasks in consumer hardware.
• Embedded Performance Systems: Applications requiring a single high‑frequency 64‑bit CPU with deterministic cache control and synchronized system interface.

Unique Advantages

• 64‑Bit Processing with On‑Chip Caches: Native 64‑bit integer core combined with separate 8 kB instruction and data caches reduces external memory access and improves system responsiveness.
• Integrated DSP Capability: High integer multiply‑accumulate throughput (133.5M MAC/sec at 267 MHz) enables efficient handling of DSP‑style workloads without added co‑processors.
• Flexible System Interface: Synchronized interface with up to 1000 MB/s bandwidth supports integration into 32‑ or 64‑bit system architectures and multi‑master designs.
• Deterministic Cache Control: Cache locking and configurable write policies help achieve predictable real‑time behavior in embedded systems.
• RoHS Compliant Consumer Qualification: Suited for consumer product development with RoHS compliance and a standard 0 °C to 70 °C operating range.
• Package and Mounting Convenience: Standard 208‑PQFP (28×28 mm) surface‑mount package in tray format simplifies PCB assembly and handling for production.

Why Choose IDT79RV4650-267DP?

The IDT79RV4650-267DP positions itself as a balanced, performance‑oriented 64‑bit microprocessor for embedded consumer designs that require a high‑frequency MIPS‑I core, dedicated on‑chip caches, and strong integer DSP throughput. Its synchronized system interface and cache features support integration into bandwidth‑sensitive systems while enabling deterministic behavior where needed.

Ideal for engineers developing consumer multimedia, game, and embedded control systems, this device offers a compact PQFP package, 3.3 V I/O, RoHS compliance, and upward software compatibility within the IDT RISController family as documented for the series—delivering a practical combination of performance, integration, and deployment readiness.

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