7143LA25JI

Overview

The Renesas Electronics Corporation 7143LA25JI is a dual-port static random-access memory (SRAM) integrated circuit. It provides a storage capacity of 32 kilobits, organized as 2K words by 16 bits. The device features asynchronous parallel interface operation with a maximum access time of 25 nanoseconds. It operates within a supply voltage range of 4.5V to 5.5V and supports surface mount installation in a 68-lead Plastic Leadless Chip Carrier (PLCC) package.

Feature Summary

• Dual-port architecture enabling independent simultaneous read/write operations on separate ports.

Applications

• High-speed data buffering in telecommunications systems
• Cache memory implementation in industrial control units
• Data storage for real-time processing applications

Procurement Notes

Verify component authenticity through authorized channels due to potential obsolescence. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Ensure the specific suffix matches design requirements as packaging or lead-free variations may exist. Validate pin compatibility with existing footprints before procurement.

Selection Notes

Select this component when dual-port functionality is required for concurrent data handling. The 25ns speed suits moderate-to-high frequency asynchronous interfaces. Verify that the 68-PLCC package fits the board layout constraints. Consider power consumption limits against the 4.5V to 5.5V operating range.

Part Context

This part belongs to the Renesas 7143 series of high-performance dual-port SRAMs. These devices are designed for applications requiring fast, independent access from two different masters. The LA suffix typically denotes commercial temperature range and specific manufacturing revisions within the broader 7143 family.

Replacement Considerations

Check for direct pin-compatible upgrades such as the 7143LA25JGI variant. Verify if faster access times like 20ns or 15ns variants are available if performance needs increase. Ensure substitute parts maintain the same 68-PLCC footprint and voltage specifications.