70T3319S133BFI

Memory IC Overview

The Renesas 70T3319S133BFI is a high-speed synchronous dual-port static random-access memory (SRAM) with a density of 4.5 Mbit, organized as 256K x 18 bits. It operates at a maximum clock frequency of 133 MHz with an access time of 4.2 ns. The device supports selectable 3.3V or 2.5V I/O voltages while maintaining a 2.5V core supply. It features interleaved inputs and outputs, pipelined or flow-through output modes, and JTAG functionality. The component is housed in a 208-pin CABGA package measuring 15.0 x 15.0 mm.

Memory IC Feature Summary

• Dual-port architecture enabling simultaneous independent access to the same memory location by two separate controllers.
• Selectable pipelined or flow-through output modes to optimize data throughput for specific system requirements.
• Interleaved input and output pin arrangement designed to reduce printed circuit board trace routing complexity.
• Integrated JTAG interface supporting boundary scan testing and device identification capabilities.

Memory IC Applications

• High-performance networking equipment requiring low-latency packet buffering
• Telecommunications infrastructure utilizing burst data processing
• Industrial control systems demanding reliable synchronous memory operations

Memory IC Procurement Notes

Verify current availability status as this component may be subject to end-of-life restrictions or limited production runs. Confirm exact voltage specifications and package dimensions against the official datasheet before integration. Ensure compliance with RoHS directives and moisture sensitivity levels during storage and handling procedures.

Memory IC Selection Notes

Select this component when simultaneous bidirectional data flow is required without bus contention. Consider the 208-pin CABGA package for compact surface-mount designs. Evaluate power consumption differences between pipelined and flow-through modes based on thermal constraints and performance needs.

Memory IC Part Context

This part belongs to the 70T3319 series of synchronous dual-port SRAMs manufactured by Renesas Electronics. The series is optimized for applications requiring high-speed data transfer and flexible I/O configurations. It serves as a specialized memory solution for embedded systems needing deterministic access times.

Memory IC Replacement Considerations

Cross-reference with IDT70T3319S133BFI for functional equivalence. Verify pin compatibility and electrical characteristics before substitution. Consult manufacturer documentation for any noted differences in timing parameters or packaging options.