70T3539MS133BCGI

Memory IC Overview

The Renesas Electronics Corporation 70T3539MS133BCGI is a synchronous dual-port static random-access memory (SRAM) device. It features an organization of 512K x 36 bits, providing a total storage capacity of 18 Mbit. The component operates with a maximum clock frequency of 133 MHz and supports data access times as fast as 4.2 ns. It functions within a supply voltage range of 2.4 V to 2.6 V, with a maximum power consumption current of 900 mA. The device utilizes a parallel interface and is housed in a 256-CABGA package.

Memory IC Feature Summary

• True dual-port architecture enabling simultaneous independent access to the same memory location by two masters.
• Synchronous operation supporting high-speed data transfer rates up to 133 MHz.
• Standard power consumption profile optimized for general-purpose applications.

Memory IC Applications

• High-performance networking equipment requiring low-latency buffering.
• Telecommunications systems utilizing dual-processor architectures.
• Industrial automation controllers needing rapid data exchange between modules.

Memory IC Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as indicated in official documentation, noting potential variations based on production date. Check for moisture sensitivity level requirements during handling and storage. Ensure compatibility with existing board design specifications regarding pinout and thermal management before integration.

Memory IC Selection Notes

Select this component when simultaneous bidirectional data access is required without arbitration delays. Consider the 256-CABGA package constraints for PCB layout and thermal dissipation. Evaluate power budget against the 900 mA maximum current draw at full speed. Ensure system timing aligns with the 4.2 ns access time and 133 MHz clock capability for optimal performance.

Memory IC Part Context

This part belongs to the Renesas 70T series of synchronous dual-port SRAMs. These devices are designed for applications demanding high bandwidth and low latency. The 70T3539 variant specifically offers 18 Mbit capacity, distinguishing it from lower-density counterparts like the 70V3599 series. The CABGA package provides robust surface-mount connectivity.

Memory IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify obsolescence status directly with the manufacturer, as similar listings indicate scheduled discontinuation for related variants in this family.