7143LA20J

Overview

The Renesas Electronics Corporation 7143LA20J is a dual-port 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 an asynchronous parallel interface with a maximum access time of 20 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.

Feature Summary

• Dual-port architecture enabling independent simultaneous read/write operations on separate ports
• Asynchronous parallel interface for flexible system integration
• High-speed data access capabilities suitable for real-time processing applications

Applications

• Real-time data buffering in industrial control systems
• Cache memory implementation in embedded processors
• Data logging and temporary storage in communication equipment

Procurement Notes

Verify component authenticity through authorized channels due to potential availability constraints. Confirm RoHS compliance status as specifications may vary by manufacturing date. Check for end-of-life notices or obsolescence warnings before finalizing procurement plans. Ensure proper handling procedures are followed during assembly to prevent electrostatic discharge damage.

Selection Notes

Select this component when dual-port functionality is required for concurrent data access. Consider the 68-PLCC package dimensions for board layout compatibility. Evaluate power consumption requirements against the specified operating voltage range. Compare performance metrics with alternative SRAM families if higher density or different interface types are needed.

Part Context

This part belongs to the 7143LA series of dual-port SRAMs from Renesas Electronics. The series offers various speed grades and packaging options to suit different application requirements. These devices are designed for high-performance embedded systems requiring reliable data storage and retrieval.

Replacement Considerations

Check for direct pin-compatible substitutes within the same manufacturer's portfolio. Verify electrical characteristics match original specifications when considering cross-brand alternatives.