7130SA55J8/LT

Memory IC Overview

The Renesas Electronics Corporation 7130SA55J8/LT is an asynchronous dual-port static random-access memory (SRAM) with an 8 kbit capacity organized as 1K x 8. It features a 55 ns access time and operates on a single 4.5 V to 5.5 V power supply. The component utilizes parallel interface technology and is housed in a 52-pin PLCC package. Designed for industrial applications, it supports simultaneous independent access from two ports.

Memory IC Feature Summary

• True dual-ported memory architecture enabling simultaneous independent access to the same memory location by both ports without conflict.
• Integrated port arbitration logic that manages bus contention through BUSY output flags and INT flags for direct port-to-port communication.
• Fully asynchronous operation from either port, allowing flexible timing control without requiring a system clock signal.

Memory IC Applications

• High-speed data buffering in telecommunications equipment
• Master-slave memory configurations in 16-bit or wider data systems
• Real-time data logging in industrial automation controllers

Memory IC Procurement Notes

Verify RoHS compliance status carefully, as documentation indicates non-compliance for certain variants. Confirm lead times due to potential end-of-life status. Ensure ESD protection during handling. Validate pin compatibility with existing PCB footprints before integration.

Memory IC Selection Notes

Select this component when simultaneous bidirectional data access is required without external arbitration logic. Suitable for designs needing fast, deterministic memory access. Consider thermal management within the specified operating temperature range. Verify voltage levels match system requirements.

Memory IC Part Context

Part of the 7130SA series high-speed dual-port SRAMs. Offers standalone 8-bit operation or master configuration with 7140 slave devices. Provides low standby power via chip enable control. Available in multiple packages including PLCC and TQFP.

Memory IC Replacement Considerations

Check IDT7130SA55J8 as a functional equivalent from Integrated Device Technology. Verify package dimensions and pinout compatibility. Confirm electrical specifications match application needs. Review manufacturer obsolescence notices for long-term supply assurance.