70T3539MS133BC

Memory IC Overview

The Renesas Electronics Corporation 70T3539MS133BC 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 a parallel interface. Electrical specifications include a supply voltage range of 2.4 V to 2.6 V and a maximum power current of 740 mA. Access time is specified at 4.2 ns. The device is housed in a 256-pin CABGA package suitable for surface mount technology. It functions within a commercial temperature range of 0°C to +70°C.

Memory IC Feature Summary

• Supports simultaneous independent access to memory locations via dual ports
• Integrates automatic power-down capabilities controlled by chip enable signals
• Provides hardware support for semaphore signaling between ports

Memory IC Applications

• High-speed data buffering in network communication systems
• Cache memory implementation in embedded processing architectures
• Data storage in industrial control equipment requiring burst data flow

Memory IC Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm the exact operating temperature grade and RoHS compliance status. Confirm that the required package variant matches the intended PCB layout constraints. Ensure that the selected component version aligns with the system's voltage requirements and environmental operating conditions before finalizing procurement orders.

Memory IC Selection Notes

Select this component when designing systems requiring high-bandwidth synchronous memory with independent port access. Consider the 256-pin CABGA package dimensions for board space allocation. Evaluate the 133 MHz operational speed against system clock requirements. Assess the power consumption characteristics relative to available thermal management solutions and power supply capabilities within the target application environment.

Memory IC Part Context

This part belongs to the 70T3539M series of synchronous dual-port SRAMs manufactured by Renesas Electronics. The series is designed for applications demanding high-speed data transfer and concurrent access capabilities. These devices typically utilize a single 2.5V core voltage with selectable I/O voltages. The family includes variants optimized for different temperature ranges and packaging configurations to suit diverse industrial and commercial deployment scenarios.

Memory IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.