71321SA55JG

Memory IC Overview

The Renesas Electronics Corporation 71321SA55JG is a dual-port static random-access memory (SRAM) integrated circuit. It features a storage capacity of 16 kbit organized as 2K x 8 bits. The device utilizes an asynchronous parallel interface with a maximum access time of 55 ns. It operates within a supply voltage range of 4.5 V to 5.5 V and supports surface-mount installation in a 52-PLCC package.

Memory IC Feature Summary

• Dual-port architecture enabling independent simultaneous read/write operations on separate ports
• Asynchronous parallel interface for flexible system integration
• CMOS technology providing low power consumption characteristics

Memory IC Applications

• High-speed data buffering in communication systems
• Cache memory implementation in embedded processors
• Real-time data acquisition and processing units

Memory IC Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance requirements against specific project standards, as legacy variants may differ. Validate package integrity upon receipt, ensuring the 52-PLCC leads are undamaged. Cross-reference datasheet revisions to ensure compatibility with existing design specifications before final procurement decisions.

Memory IC Selection Notes

Select this component when dual-port functionality is required for concurrent data handling. Ensure the 55 ns access speed meets system timing constraints. Verify that the 52-PLCC surface-mount package fits the available PCB footprint. Confirm that the 4.5 V to 5.5 V operating voltage aligns with the target system's power supply rails.

Memory IC Part Context

This part belongs to the Renesas 7132 series of CMOS dual-port SRAMs. These devices are designed for applications requiring high-speed data transfer between two independent buses. The series typically offers various access speeds and packaging options to suit different industrial and commercial environments.

Memory IC Replacement Considerations

IDT71321SA55JG8 is listed as a manufacturer-recommended substitute. Verify pinout compatibility and electrical parameters before substitution.