71V25761S166PFG8

Overview

The Renesas Electronics Corporation 71V25761S166PFG8 is a synchronous single data rate (SDR) static random-access memory (SRAM) device. It features a total storage capacity of 4.5 Mbit, organized as 128K words by 36 bits. The component supports a maximum clock frequency of 166 MHz with a nominal access time of 3.5 ns. It operates within a supply voltage range of 3.135 V to 3.465 V and functions at temperatures between -40°C and +85°C. The device utilizes a parallel interface and is housed in a 165-CABGA package measuring 13x15 mm.

Feature Summary

• Supports synchronous single data rate operation for efficient high-speed data transfer
• Includes burst mode functionality to optimize sequential read/write performance
• Integrates dedicated write, data, address, and control registers for precise management

Applications

• High-performance embedded systems requiring fast parallel memory access
• Network infrastructure equipment utilizing synchronous SRAM buffers
• Industrial control applications operating within extended temperature ranges

Procurement Notes

This component is officially classified as obsolete and is no longer manufactured by Renesas Electronics. Procurement must rely on secondary market distributors or verified surplus stock. Buyers should verify date codes and authenticity carefully due to the discontinued status. Ensure compatibility with existing designs before acquiring limited availability units from non-authorized sources.

Selection Notes

Select this part only if the specific 128K x 36 organization and 3.3V core voltage are required. The 166 MHz synchronous interface suits applications needing predictable timing without complex asynchronous logic. Consider the 165-CABGA package constraints for PCB layout. Verify that the extended industrial temperature range meets environmental requirements for the target deployment scenario.

Part Context

The 71V25761 series represents Renesas's line of 3.3V CMOS synchronous SRAMs designed for high-speed parallel data processing. This specific model belongs to the SDR variant family, offering standard single-cycle data throughput. The device integrates standard control signals for seamless interfacing with microprocessors and digital signal controllers in demanding electronic architectures.

Replacement Considerations

Public documentation identifies IS61LF12836A-6.5TQLI-TR from Integrated Silicon Solution Inc. as a similar available substitute. Verify pinout compatibility and electrical specifications against the original datasheet before substitution.