70T3339S133BF8

Memory IC Overview

The Renesas Electronics Corporation 70T3339S133BF8 is a synchronous dual-port static random access memory (SRAM) integrated circuit. It features a storage capacity of 9 megabits organized as 512K by 18 bits. The device operates with a parallel interface and supports clock frequencies up to 133 MHz, achieving an access time of 4.2 nanoseconds. It functions within a supply voltage range of 2.4V to 2.6V and is designed for surface mount installation in a 208-CABGA package measuring 15x15 millimeters.

Memory IC Feature Summary

• Supports simultaneous independent read and write operations at both Port A and Port B
• Utilizes synchronous logic controlled by a single clock input for precise timing alignment
• Integrates dedicated chip select and byte write enable signals for granular data control

Memory IC Applications

• High-speed digital signal processing systems requiring low-latency data buffering
• Network infrastructure equipment utilizing packet switching and routing protocols
• Telecommunications base stations managing real-time signal modulation tasks

Memory IC Procurement Notes

Verify component authenticity through authorized distributors due to End-of-Life status. Confirm moisture sensitivity level handling requirements during assembly. Ensure supply chain stability as manufacturing discontinuation may limit future availability. Validate package markings against official datasheet specifications to prevent counterfeit integration.

Memory IC Selection Notes

Evaluate system timing constraints against the 4.2 ns access specification. Compare power consumption profiles within the 2.4V to 2.6V operating range against alternative memory solutions. Assess physical board space compatibility with the 208-CABGA footprint dimensions. Consider thermal management requirements for sustained high-frequency operation.

Memory IC Part Context

This component belongs to the 70T3339 series of synchronous dual-port SRAMs manufactured by Renesas Electronics. The series provides high-performance memory solutions for applications demanding concurrent data access. The specific BF8 suffix indicates the tape and reel packaging format intended for automated surface-mount assembly processes.

Memory IC Replacement Considerations

Public confirmed substitute part numbers are not available.