7025L55PFI8

Memory IC Overview

The Renesas Electronics Corporation 7025L55PFI8 is a dual-port static random-access memory (SRAM) integrated circuit. It provides a storage capacity of 128 kilobits, organized as 8K words by 16 bits. The device features asynchronous parallel interface operation with a maximum access time of 55 nanoseconds. It operates on a single 4.5V to 5.5V power supply and supports surface-mount installation in a 100-pin Thin Quad Flat Package measuring 14x14 millimeters. The component is designed for industrial temperature ranges spanning from -40°C to +85°C ambient temperature.

Memory IC Feature Summary

• True dual-ported memory architecture enabling simultaneous independent reads and writes from separate ports without conflict.
• On-chip hardware support for semaphore signaling and port arbitration logic to manage data integrity between processors.
• TTL-compatible single 5V power supply operation with automatic low-power standby mode controlled by chip enable signals.

Memory IC Applications

• High-speed data buffering in telecommunications equipment requiring concurrent processor access.
• Industrial control systems utilizing asynchronous communication protocols.
• Master/slave dual-port configurations for expanding data bus widths in embedded architectures.

Memory IC Procurement Notes

Verify the specific package variant and lead finish requirements against current manufacturing notices. Confirm that the industrial temperature range and voltage specifications align with the target system design. Check for any end-of-life notifications or last-time buy deadlines associated with this part number before finalizing procurement plans.

Memory IC Selection Notes

Select this component when true dual-port functionality is required for simultaneous data access. Ensure the system design accommodates the 100-pin TQFP footprint and 55ns timing constraints. Verify compatibility with TTL logic levels and confirm that the 128Kb capacity meets the application's memory density needs.

Memory IC Part Context

This component belongs to the Renesas 7025 series of high-speed dual-port SRAMs. The series offers various speed grades and packaging options to support diverse embedded memory applications. The 7025L55PFI8 specifically targets industrial environments requiring reliable asynchronous memory operations with robust hardware arbitration features.

Memory IC Replacement Considerations

Consult official manufacturer documentation for verified substitute part numbers. Ensure any replacement maintains identical pinout, voltage levels, and functional characteristics to guarantee system compatibility.