IDT728981DB

Overview

The IDT728981DB is a high-performance synchronous dual-port RAM device manufactured by Renesas Electronics Corporation. It features a 36K x 18 bit memory organization, providing substantial data storage capacity for complex processing tasks. The component operates with a maximum access time of 5.5 nanoseconds, ensuring rapid data retrieval and write cycles essential for high-speed applications. It supports independent read and write operations through separate port interfaces, allowing concurrent data handling without bus contention. The device utilizes a standard CMOS technology compatible with 3.3V power supplies, offering low power consumption while maintaining signal integrity in demanding electronic systems.

Feature Summary

• Supports simultaneous independent read and write operations via dual ports
• High-speed synchronous operation with fast access times
• Compatible with 3.3V logic levels for modern system integration

Applications

• High-speed data buffering in telecommunications equipment
• Cache memory implementation in network processors
• Data acquisition systems requiring rapid parallel access

Procurement Notes

Verify the specific suffix 'DB' against official Renesas documentation to confirm package type and temperature range. Ensure compatibility with existing board design constraints regarding pinout and voltage requirements. Cross-reference part numbers with current manufacturer listings to avoid obsolete stock or counterfeit components during procurement processes.

Selection Notes

Select this component when dual-port architecture is required for concurrent data access between two masters. Consider the 3.3V operating voltage and synchronous interface timing requirements relative to the host processor. Evaluate the physical package dimensions and thermal characteristics to ensure fit within the target enclosure and cooling solution.

Part Context

This part belongs to the IDT72898 series of dual-port RAMs, designed for applications needing high bandwidth and low latency. The series typically offers various speed grades and memory densities to suit different performance tiers. Renesas positions these devices for use in networking, industrial automation, and computing environments where reliable, fast memory access is critical for system stability and throughput.