7143SA25JI

Memory IC Overview

The Renesas Electronics Corporation 7143SA25JI is a dual-port asynchronous static random-access memory (SRAM) integrated circuit. It provides a storage capacity of 32 kilobits, organized as 2K words by 8 bits. The device features a parallel interface 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-pin PLCC package.

Memory IC Feature Summary

• Supports independent simultaneous read/write operations at both ports for high-throughput data handling.

Memory IC Applications

• Legacy embedded systems requiring fast parallel data access
• High-speed data buffering in communication equipment
• Cache memory applications in industrial control systems

Memory IC Procurement Notes

Verify component authenticity due to end-of-life status. Confirm RoHS compliance requirements as the part may not meet current environmental standards. Validate package integrity and pin alignment against the 68-PLCC specification before integration into new designs.

Memory IC Selection Notes

Select this component when dual-port functionality is required for concurrent processor access. Ensure the design accommodates the 25ns timing constraints and 5V logic levels. Consider the 68-PLCC footprint for PCB layout compatibility.

Memory IC Part Context

This part belongs to the 7143SA series of dual-port SRAMs from Renesas. It shares architectural similarities with other members like the 7143SA25G but differs in package type and specific pinout configuration suitable for surface-mount assembly.

Memory IC Replacement Considerations

Check for direct substitutes such as the IDT7143SA25JI or equivalent dual-port SRAMs with matching 32Kb capacity and 25ns speed. Verify pin-to-pin compatibility with the 68-PLCC package.

Memory IC FAQ

What is the memory organization of the 7143SA25JI?

The memory is organized as 2K x 8 bits, providing a total capacity of 32 kilobits.

Does the 7143SA25JI support simultaneous access?

Yes, it is a dual-port SRAM allowing independent read and write operations at Port A and Port B simultaneously.