71321SA35J

Memory IC Overview

The Renesas Electronics Corporation 71321SA35J is a dual-port static random-access memory (SRAM) integrated circuit. It features a storage capacity of 16 kilobits, organized as 2K words by 8 bits. The device utilizes an asynchronous parallel interface with a maximum access time of 35 nanoseconds. It operates within a supply voltage range of 4.5 volts to 5.5 volts and supports surface-mount installation in a 64-pin TQFP package. The component is designed for commercial temperature ranges from 0°C to +70°C.

Memory IC Feature Summary

• Dual-port architecture enabling independent simultaneous access by two processors
• Asynchronous operation requiring no external clock signals
• CMOS technology providing low power consumption capabilities

Memory IC Applications

• High-speed data buffering in communication systems
• Cache memory implementation in embedded controllers
• Data storage in industrial automation equipment

Memory IC Procurement Notes

Verify the specific suffix J against official Renesas documentation to confirm pinout compatibility and package dimensions. Confirm RoHS compliance status as historical records may vary. Check for obsolescence notices or product change notifications prior to procurement. Ensure the supplier provides traceable origin documents for quality assurance purposes.

Memory IC Selection Notes

Select this component when dual-processor access to shared memory is required without bus contention. Compare access times and power dissipation against alternative SRAM families. Verify that the 64-TQFP package fits the target PCB footprint. Ensure the operating voltage matches the system logic levels.

Memory IC Part Context

This part belongs to the Renesas 71321SA/LA series of dual-port SRAMs. These devices are engineered for applications requiring high-speed data exchange between microprocessors. The series offers various speed grades and packaging options to suit different design constraints.

Memory IC Replacement Considerations

Consult official Renesas datasheets for verified cross-reference part numbers. Identify equivalents with matching 16Kb capacity, 35ns speed, and 64-TQFP package. Verify electrical parameter compatibility before substitution.