5962-9222203MRA

Overview

The 5962-9222203MRA is a military-grade dual-port static RAM manufactured by Renesas Electronics. It features true dual-ported memory cells allowing simultaneous access to the same location. The device supports asynchronous operation from either port with TTL-compatible inputs and a single 5V supply. It includes on-chip arbitration logic for bus expansion and battery backup capabilities with data retention down to 2V. The component is housed in a 68-pin ceramic PGA package designed for high-reliability applications.

Feature Summary

• True dual-ported memory architecture enabling simultaneous independent access
• On-chip port arbitration logic supporting system bus width expansion
• Battery backup functionality ensuring data retention during power loss
• Fully asynchronous operation compatible with standard TTL interfaces

Applications

• High-speed data buffering in military communication systems
• Dual-processor shared memory architectures requiring concurrent access
• Critical control systems necessitating battery-backed volatile storage
• Avionics and defense electronics utilizing QML certified components

Procurement Notes

This component is scheduled for obsolescence and will be discontinued by the manufacturer. Procurement should focus on verifying current stock availability through authorized distributors or surplus suppliers. Buyers must confirm the specific revision level and packaging details against project requirements before ordering, as end-of-life status may limit future supply chain stability and replacement options.

Selection Notes

Select this part only when dual-port simultaneous access is strictly required within a military or aerospace specification environment. Verify that the 68-pin PGA footprint and 5V TTL interface align with existing board designs. Consider the discontinuation status carefully; alternative solutions may require redesigning the memory interface or selecting a newer generation component with similar performance characteristics but different pinouts.

Part Context

The 5962-9222203MRA belongs to the family of high-speed dual-port SRAMs offered by Renesas Electronics under the MIL-PRF-38535 QML qualification standard. These components are engineered for environments demanding high reliability and radiation tolerance. The part number indicates a specific speed grade and package variant within the broader dual-port memory product line designed for complex system-on-chip or multi-processor integration tasks.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation due to the component's scheduled obsolescence. Engineers should consult Renesas official cross-reference guides or contact authorized sales representatives directly for validated alternatives. Any replacement must match the dual-port architecture, voltage levels, and form factor to ensure compatibility.