71V321L55JI8

Overview

The Renesas Electronics Corporation 71V321L55JI8 is a high-speed static random access memory (SRAM) component belonging to the 71V321L series. It features a storage capacity of 16 kbit, organized as 2K x 8 bits. The device operates with an access time of 55 ns and supports parallel interface communication. It functions within a supply voltage range of 4.5 V to 5.5 V, with a maximum power consumption of 140 mA. The component is designed for surface mount installation in a PLCC-52 package and supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Dual-port asynchronous architecture enabling independent simultaneous read/write operations
• High-speed data transfer capabilities suitable for demanding processing applications
• Robust industrial-grade thermal stability for extended operational environments

Applications

• Industrial control systems requiring reliable data buffering
• Telecommunications equipment utilizing high-speed memory interfaces
• Automotive electronics needing durable storage solutions

Procurement Notes

Verify current availability status as this component may be subject to end-of-life restrictions or discontinuation notices. Confirm specific ordering suffixes match required packaging formats. Ensure compatibility with existing system voltage levels before integration. Consult official manufacturer channels for latest lifecycle updates and alternative sourcing options.

Selection Notes

Select this component when dual-port functionality and 55 ns access speeds are required within a 5V logic environment. Consider the PLCC-52 package constraints for board layout. Evaluate power consumption limits against system thermal design capabilities. Verify that the 2Kx8 organization aligns with specific memory addressing requirements.

Part Context

This part belongs to the Renesas 71V321L family of dual-port SRAMs. These devices are engineered for applications requiring concurrent host and peripheral access to shared memory resources. The series offers various speed grades and package options to accommodate different performance and form factor needs across industrial and commercial sectors.

Replacement Considerations

Check for direct pin-compatible substitutes within the same series offering different access times or voltage ranges. Verify if newer generation components provide equivalent functionality with improved efficiency or updated packaging standards.