71V65803S150BG8

Overview

The 71V65803S150BG8 is a 9Mbit Synchronous Single Data Rate Zero Bus Turnaround (ZBT) SRAM manufactured by Renesas Electronics. Organized as 512K x 18, it operates at a maximum clock frequency of 150 MHz with an access time of 3.8 ns. The device utilizes a 119-PBGA (14x22) surface-mount package and supports a supply voltage range of 3.135V to 3.465V. It is designed for high-performance parallel data transfer applications requiring low latency.

Feature Summary

• Eliminates dead bus cycles during read-to-write or write-to-read transitions via Zero Bus Turnaround technology
• Supports pipelined architecture for high-speed synchronous data processing
• Features 3.3V I/O compatibility for integration with standard logic families

Applications

• High-performance networking equipment
• Telecommunications infrastructure systems
• Industrial control systems requiring fast memory access

Procurement Notes

Verify component authenticity through authorized channels due to potential counterfeit risks. Confirm RoHS3 compliance status and check for End-of-Life notices, as this part may have limited availability. Ensure proper handling procedures are followed for the PBGA package to prevent damage during installation.

Selection Notes

Select this component when system requirements demand sub-5ns access times and high bandwidth. Compare against lower-speed variants like the 100MHz version if power consumption is a critical constraint. Ensure the PCB layout supports the 119-ball BGA footprint and thermal requirements for continuous operation within the specified temperature range.

Part Context

This part belongs to the 71V65803 family of ZBT SRAMs, which offers a balance between speed and density. It serves as a high-speed buffer in systems where traditional asynchronous SRAMs are too slow and DRAMs introduce excessive latency. The family includes variants with different clock speeds to suit various performance tiers.

Replacement Considerations

Direct substitutes include other 9Mbit ZBT SRAMs from Renesas such as the 71V65803S100BG8, though with reduced clock speed. Verify pinout compatibility and electrical specifications before replacing. Cross-brand replacements require careful validation of timing parameters and voltage levels.