71321LA55J8

Memory IC Overview

The Renesas Electronics Corporation 71321LA55J8 is a high-speed static random access memory (SRAM) component belonging to the 71321LA55 series. It features a storage capacity of 16 kbit organized as 2k x 8 bits with an access time of 55 ns. The device operates on a parallel interface and requires a power supply voltage between 4.5 V and 5.5 V, with a maximum power consumption of 140 mA. Designed for surface mount applications, it utilizes a PLCC-52 package and supports an operating temperature range from -40°C to +85°C.

Memory IC Feature Summary

• Dual-port asynchronous SRAM architecture enabling independent simultaneous read/write operations
• High-speed data transfer capabilities suitable for demanding processing environments
• CMOS technology construction ensuring low power consumption relative to performance

Memory IC Applications

• Industrial control systems requiring reliable non-volatile data buffering
• Telecommunications equipment utilizing high-speed signal processing
• Automotive electronics demanding extended temperature range operation

Memory IC Procurement Notes

Verify component authenticity through authorized distributors due to potential availability constraints. Confirm specific package markings and date codes against official datasheets. Check for RoHS compliance status as manufacturing processes evolve. Ensure proper handling procedures are followed during installation to prevent electrostatic discharge damage to the sensitive CMOS circuitry.

Memory IC Selection Notes

Select this component when dual-port functionality is required for concurrent master-slave data exchange. Consider the 55 ns access speed and 16 kbit capacity for moderate data throughput needs. Evaluate the PLCC-52 package compatibility with existing PCB footprints. Assess thermal management requirements given the specified operating temperature limits and power dissipation characteristics.

Memory IC Part Context

This part belongs to the Renesas 71321LA family of dual-port SRAMs, designed for applications requiring independent port access. The 'LA' designation typically indicates commercial or industrial temperature ranges with specific packaging options. These components serve as critical memory buffers in systems needing fast, reliable data storage without complex refresh cycles associated with dynamic RAM technologies.

Memory IC Replacement Considerations

Consult official Renesas documentation for verified cross-reference part numbers. Verify pinout compatibility and electrical specifications before substitution. Ensure replacement parts meet the same temperature and voltage requirements.