71342SA55JI8

Overview

The Renesas Electronics Corporation 71342SA55JI8 is a dual-port static random-access memory (SRAM) integrated circuit. It features a storage capacity of 32 kbit, organized as 4K words by 8 bits. The device supports asynchronous parallel interface operations with a maximum access time of 55 ns. It operates within a supply voltage range of 4.5 V to 5.5 V and is housed in a 52-lead Plastic Leadless Chip Carrier (PLCC) package designed for surface-mount technology.

Feature Summary

• Dual-port architecture enabling independent simultaneous access from two separate systems or processors.
• Asynchronous operation allowing flexible timing control without reliance on a global clock signal.
• Standard parallel interface compatible with conventional digital logic and microprocessor buses.

Applications

• High-speed data buffering between disparate processing units.
• Cache memory implementation in embedded computing systems.
• Data storage in telecommunications equipment requiring rapid read/write cycles.

Procurement Notes

Verify component authenticity through authorized distributors due to potential availability of refurbished units. Confirm RoHS compliance status as older variants may not meet current environmental regulations. Validate the specific suffix configuration against design requirements to ensure correct pinout and electrical characteristics. Request manufacturer documentation to confirm lot traceability and moisture sensitivity level handling procedures during assembly.

Selection Notes

Select this component when dual-port functionality is required for concurrent data access. Ensure the system design accommodates the 55 ns access time constraints. Verify that the PCB layout supports the PLCC-52 footprint and thermal dissipation needs. Compare power consumption specifications against available alternatives if low-power operation is critical for the application environment.

Part Context

This part belongs to the Renesas 71342 series of high-speed SRAMs. The series typically includes variations with different access speeds and packaging options. The 'SA' designation often indicates specific temperature ranges or manufacturing revisions compared to 'LA' variants. Understanding the family hierarchy aids in identifying compatible replacements or upgrades within the same product line.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Renesas documentation for cross-reference lists or contact the manufacturer directly for recommended equivalents based on specific performance requirements.