7025S35PF8

Memory IC Overview

The Renesas Electronics Corporation 7025S35PF8 is a discontinued asynchronous dual-port static random-access memory (SRAM) IC. It features a storage capacity of 128 kilobits organized as 8K words by 16 bits. The device utilizes a parallel interface with a maximum access time and write cycle time of 35 nanoseconds. It operates on a single 4.5V to 5.5V power supply and supports surface-mount installation in a 100-pin TQFP package measuring 14x14 mm. The component functions within an ambient temperature range of 0°C to 70°C.

Memory IC Feature Summary

• Supports simultaneous independent read and write operations at both ports without conflict
• Includes on-chip hardware semaphore signaling for port arbitration
• Features automatic low-power standby mode controlled by chip enable signals

Memory IC Applications

• High-speed data buffering in communication systems
• Cache memory implementation in embedded processors
• Data logging applications requiring rapid dual-port access

Memory IC Procurement Notes

This component is officially discontinued and no longer manufactured by Renesas Electronics. Verification of availability should focus exclusively on the designated upgrade substitute, part number 7025L15PFG8. Buyers must confirm current stock status and lead times directly with authorized distributors, as original inventory is exhausted. Ensure compatibility with the replacement part before finalizing procurement plans.

Memory IC Selection Notes

Designers seeking this specific 35ns speed grade in a 100-TQFP package should evaluate the 7025L15PFG8 as the primary upgrade path. Note that the substitute offers a faster 15ns access time while maintaining the same 128Kb organization and pinout. Verify that the system timing constraints accommodate the performance difference and that RoHS compliance requirements are met by the newer revision.

Memory IC Part Context

The 7025 series represents a family of high-speed dual-port SRAMs designed for complex data handling tasks. This specific model belongs to the 35ns speed bin within the 7025S line, targeting commercial temperature ranges. It was widely used in legacy industrial and telecommunications equipment where independent port access was critical for real-time data processing.

Memory IC Replacement Considerations

The confirmed public substitute is 7025L15PFG8. This upgrade provides enhanced 15ns performance while retaining the 8K x 16 organization and 100-TQFP footprint. Check datasheets for any minor electrical parameter shifts.