7143SA90J8

Memory IC Overview

The Renesas Electronics Corporation 7143SA90J8 is a CMOS dual-port static random access memory (SRAM) IC. It features a storage capacity of 32Kb, organized as 2K words by 16 bits. The device utilizes an asynchronous parallel interface with a maximum access time of 90 ns and a write cycle time of 90 ns. It operates on a single power supply voltage ranging from 4.5V to 5.5V. The component is housed in a 68-pin Plastic Leadless Chip Carrier (PLCC) package with J-leads, designed for surface mount installation.

Memory IC Feature Summary

• Supports simultaneous independent read/write operations at two separate ports
• Provides high-speed asynchronous data transfer capabilities
• Compatible with standard 5V logic families

Memory IC Applications

• High-performance digital signal processing systems
• Real-time control applications requiring fast data buffering
• Network communication equipment

Memory IC Procurement Notes

Verify the specific suffix 'J8' against official manufacturer documentation to confirm pinout compatibility and packaging details. Confirm RoHS compliance status, as older variants may not meet current environmental standards. Check for end-of-life notices or obsolescence warnings before finalizing procurement plans.

Memory IC Selection Notes

Select this component when dual-port functionality is required for concurrent data handling between processors. Ensure the system design supports the specified 4.5V to 5.5V operating range. Verify that the 68-PLCC footprint matches the target PCB layout constraints and thermal requirements.

Memory IC Part Context

This part belongs to the 7143SA series of dual-port SRAMs manufactured by Renesas Electronics. These devices are engineered for applications demanding high bandwidth and low latency. The series typically offers various speed grades and package options to suit different performance and form factor needs.

Memory IC Replacement Considerations

Consult official substitution guides for compatible alternatives such as the 7143LA series or other Renesas dual-port SRAMs with matching pinouts and electrical characteristics.