70T3339S133BC8

Memory IC Overview

The Renesas Electronics Corporation 70T3339S133BC8 is a static random access memory component belonging to the 70T3339S133 series. It features a storage organization of 512K x 18 bits and utilizes dual-port technology for simultaneous data access. The device operates with a parallel interface and supports a maximum clock frequency of 133 MHz, achieving an access time of 4.2 ns. It is housed in a 256-pin CABGA package measuring 17x17 mm. The component requires a supply voltage range of 2.4V to 2.6V and functions within a commercial temperature range of 0°C to 70°C.

Memory IC Feature Summary

• Dual-port architecture enabling independent and simultaneous access to shared memory locations by two distinct controllers.
• Synchronous operation synchronized to a single clock signal for both ports, ensuring precise timing alignment.
• High-speed parallel interface optimized for burst data transfer applications requiring low latency.

Memory IC Applications

• Network switching equipment requiring high-throughput packet buffering
• Telecommunications infrastructure utilizing rapid data exchange protocols
• Industrial control systems demanding deterministic memory access speeds

Memory IC Procurement Notes

This component has reached end-of-life status, with official discontinuance notifications issued by the manufacturer. Current availability is severely restricted or unavailable through standard distribution channels. Verification of remaining stock from authorized sources is critical before design finalization. Engineers must confirm the authenticity of any available units due to the discontinued nature of the part.

Memory IC Selection Notes

Designers should evaluate alternative components from the same family or newer generations that offer RoHS compliance and extended lifecycle support. The specific voltage requirements and package dimensions must be matched carefully during migration. Considerations for moisture sensitivity levels and reflow soldering profiles are necessary when handling existing inventory or substitute parts.

Memory IC Part Context

The 70T3339S133BC8 is part of the broader 70T3339S133 product line manufactured by Renesas Electronics. This series includes variants with different capacities and packages, such as the 70T3319 and 70T3399 models. These devices share common architectural features like synchronous dual-port operation and are designed for high-performance memory applications in networking and industrial sectors.

Memory IC Replacement Considerations

Publicly confirmed substitute part numbers include IDT70T3339S133BC8. Designers should verify pin compatibility and electrical specifications when transitioning to these alternatives.