IDT79RC64T575-250DP

The IDT79RC64T575-250DP is a single-core, 64-bit embedded microprocessor operating at 250 MHz, supplied in a 208‑pin PQFP (28 × 28 mm) surface-mount package. Designed for consumer embedded applications, it pairs 64‑bit processing with an on-chip memory subsystem and system-level interfaces to support compact, performance-oriented designs.

As a RoHS‑compliant, consumer‑qualified device with an operating range of 0 °C to 70 °C, this MPU is suited to a variety of embedded designs that require balanced compute performance, memory efficiency, and standard package/assembly flow.

Key Features

• Core — Single 64‑bit MIPS‑I processor core running at 250 MHz, providing fixed-frequency deterministic compute for embedded workloads.
• On‑chip cache and TLB — 32 kB two‑set‑associative instruction cache and 32 kB two‑set‑associative data cache, with per‑line I/D cache locking capability; on‑chip 48‑entry, 96‑page TLB for virtual‑to‑physical address mapping.
• System interface — 64‑bit SysAd bus interface in the RC64575 family configuration, supporting high‑bandwidth system integration and pipeline operation scaled to bus frequency.
• Voltage and I/O — 2.5 V core operation with 3.3 V‑tolerant I/O, enabling mixed‑voltage system compatibility.
• Debug and test — JTAG Boundary Scan Interface for board‑level test and development visibility.
• Package and mounting — 208‑PQFP (28 × 28) supplier device package, shipped in tray; Surface Mount Device (SMD) for standard PCB assembly.
• Qualification and environment — Consumer qualification with an operating temperature range of 0 °C to 70 °C and RoHS compliance.

Typical Applications

• Consumer Embedded Devices — Control and processing in consumer electronics that require 64‑bit compute at 250 MHz within a standard PQFP package and consumer temperature range.
• Multimedia and DSP‑Enhanced Products — Embedded systems leveraging on‑chip cache and accelerator capabilities for media or signal processing workloads.
• System Controllers — Use as a primary controller in systems that need virtual memory support and a 64‑bit system bus interface.
• Development and Evaluation Platforms — Suitable for prototyping and firmware development with JTAG debug support and standard surface‑mount packaging.

Unique Advantages

• 64‑bit single‑core performance: 250 MHz operation provides a predictable execution environment for embedded compute tasks.
• Robust on‑chip memory subsystem: Dedicated 32 kB I‑cache and 32 kB D‑cache plus a sizeable TLB reduce external memory traffic and improve system responsiveness.
• Mixed‑voltage compatibility: 2.5 V core with 3.3 V‑tolerant I/O simplifies interfacing to common peripheral logic levels.
• Standard PQFP package: 208‑pin PQFP (28 × 28) in tray facilitates integration into existing assembly lines and PCB layouts.
• Consumer‑grade readiness: RoHS compliance and 0 °C to 70 °C qualification match typical consumer product requirements.

Why Choose IDT79RC64T575-250DP?

The IDT79RC64T575-250DP delivers a practical balance of 64‑bit processing, on‑chip memory organization, and system interfacing in a standard 208‑pin PQFP package. Its combination of cache, TLB, and 3.3 V‑tolerant I/O simplifies system design while supporting embedded software that benefits from virtual memory and higher‑width datapaths.

This MPU is well suited to designers of consumer embedded products who need a compact, RoHS‑compliant solution with defined operating characteristics (0 °C to 70 °C) and industry‑standard package compatibility for streamlined prototyping and production.

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