70T3319S200BC

Memory IC Overview

The 70T3319S200BC is a high-speed synchronous dual-port static random access memory (SRAM) manufactured by Renesas Electronics. It features a memory organization of 256K x 18 bits, providing a total capacity of 4.5 Mbit. The device supports a maximum clock frequency of 200 MHz with an access time of 3.4 ns. It operates on a parallel interface and utilizes a 256-pin CABGA package measuring 17x17 mm. The core voltage supply is specified at 2.5V, while I/O levels are selectable between 2.5V and 3.3V via OPT pins.

Memory IC Feature Summary

• Simultaneous independent access to the same memory location from both ports without conflict
• Selectable output modes including pipelined and flow-through configurations for burst data flow optimization
• Automatic low standby power mode activation controlled by chip enable signals
• Support for depth expansion through dual chip enable functionality without additional logic

Memory IC Applications

• Network switching and routing equipment requiring high-bandwidth packet buffering
• Telecommunications systems utilizing bidirectional data flow in bursts
• Industrial control systems needing reliable synchronous memory interfaces
• Embedded applications requiring simultaneous port access for real-time processing

Memory IC Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as specifications may vary by production batch. Check for lead-free certification if required by environmental regulations. Ensure proper handling procedures for moisture-sensitive devices during storage and assembly. Validate package dimensions against design constraints before procurement.

Memory IC Selection Notes

Select this component when simultaneous dual-port access is required for high-speed data processing. Consider the 200 MHz clock speed for applications demanding rapid data throughput. Evaluate the 256-pin CABGA package for surface mount compatibility. Verify voltage requirements match system design, noting the 2.5V core and selectable I/O levels. Assess thermal management needs given the synchronous operation characteristics.

Memory IC Part Context

This part belongs to the 70T3319 series of synchronous dual-port SRAMs. The series offers various speed grades and package options to suit different performance requirements. Similar parts include variants with different clock frequencies and pin counts. The technology supports both pipelined and flow-through operations for flexible system integration.

Memory IC Replacement Considerations

Check for equivalent parts within the 70T3319 family offering compatible speed grades. Verify pinout compatibility for direct replacement in existing designs. Confirm electrical specifications match original requirements, particularly voltage levels and access times. Review datasheets for any functional differences in control signals or power management features.