IDT79RV4640-267DU

Microprocessors Overview

The IDT79RV4640-267DU is a low-cost embedded 64-bit RISController featuring DSP capability based on the MIPS RISC architecture. It operates at frequencies up to 267MHz and includes a 32-bit bus interface for system cost efficiency. The device provides 133.5 Million Integer Mul-Accumulate operations/sec, 89 MFlops floating-point operations, and >640,000 dhrystone (2.1)/sec capability at 267MHz. It integrates an 8KB instruction cache and 8KB data cache with write-back and write-through support.

Microprocessors Feature Summary

• High-level integration of a 64-bit integer CPU with separate instruction and data caches
• Low-power operation with active power management and standby mode capabilities
• Bus compatibility with the RC4000 family and direct interface to 32-bit wide systems

Microprocessors Applications

• Real-time control applications requiring high-speed processing
• Graphics and data communications systems
• Multi-master operation environments synchronized to external reference clocks

Microprocessors Procurement Notes

Verify the specific suffix 'R' indicates 5V parts when confirming procurement details. Ensure the component matches the exact IDT79RC4640 family designation for correct electrical characteristics. Confirm package compatibility with existing socket designs referencing IDT RC 64474 or RC64574 standards before finalizing orders.

Microprocessors Selection Notes

Select this component for applications requiring 64-bit processing power within a 32-bit system cost framework. Consider the 267MHz operating frequency for maximum performance needs. Evaluate the integrated cache architecture for deterministic response requirements using cache locking features. Verify voltage level compatibility with the 5V specification associated with the 'R' suffix.

Microprocessors Part Context

This part belongs to the IDT RISController family, designed as a high-performance embedded processor. It utilizes the MIPS RISC architecture to deliver efficient integer and DSP operations. The device is positioned as a solution for upgrading systems to 64-bit capabilities while maintaining compatibility with legacy 32-bit bus interfaces and system architectures.

Microprocessors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.