71321LA25J8

Memory IC Overview

The Renesas Electronics Corporation 71321LA25J8 is a dual-port static random-access memory (SRAM) device with a storage capacity of 16 kbit, organized as 2k x 8 bits. It features an asynchronous parallel interface and supports a maximum access time of 25 ns. The component operates within a supply voltage range of 4.5 V to 5.5 V and has a maximum power supply current of 140 mA. It is housed in a PLCC-52 package and is designed for surface mount installation. The device supports an industrial temperature range from -40°C to +85°C.

Memory IC Feature Summary

• Dual-port architecture enabling independent simultaneous access by two masters
• Asynchronous operation without requiring a system clock signal
• Integrated interrupt logic for status monitoring and control

Memory IC Applications

• High-speed data buffering between asynchronous systems
• Cache memory implementation in embedded processors
• Data acquisition systems requiring concurrent read/write operations

Memory IC Procurement Notes

Verify the specific suffix J8 against official Renesas documentation to confirm pinout compatibility and electrical characteristics. Confirm RoHS compliance status as historical records may vary. Check for active obsolescence notices or lifecycle changes before finalizing procurement plans.

Memory IC Selection Notes

Select this component when dual-port functionality is required for 16 kbit memory applications. Ensure the design accommodates the 4.5 V to 5.5 V operating voltage range. Verify that the PLCC-52 package dimensions fit the target PCB layout constraints.

Memory IC Part Context

This part belongs to the 71321 series of dual-port SRAMs manufactured by Renesas Electronics. The series provides high-speed memory solutions with integrated control features. The 71321LA25J8 variant specifically targets industrial environments with extended temperature ratings.

Memory IC Replacement Considerations

Cross-reference with IDT71321LA25J8 for potential functional equivalence. Verify pin-to-pin compatibility and electrical specifications before substitution.