709279S12PFI8

Memory IC Overview

The Renesas Electronics Corporation 709279S12PFI8 is a high-speed synchronous dual-port static random-access memory (SRAM) IC. It features a storage capacity of 256K bits, organized as 32K words by 8 bits. The device operates with a parallel interface and supports a maximum access time of 12 nanoseconds. It requires a single power supply voltage ranging from 4.5V to 5.5V. The component is housed in a 100-pin Thin Quad Flat Package (TQFP) with dimensions of 14x14 mm. It is designed for industrial temperature ranges spanning from -40°C to +85°C ambient temperature.

Memory IC Feature Summary

• Dual-port architecture enables simultaneous independent access to the same memory location by two separate ports.
• Full synchronous operation on both ports ensures reliable data handling in burst applications.
• Automatic power-down feature controlled by chip enables allows entry into low standby power mode.
• Counter enable and reset features support depth expansion without requiring additional external logic.

Memory IC Applications

• High-speed data buffering in communication systems
• FIFO buffers in digital signal processing pipelines
• Cache memory in embedded control systems

Memory IC Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Confirm package marking and date codes against official datasheets. Check for RoHS compliance variations across production lots. Validate moisture sensitivity level handling requirements during assembly. Ensure replacement parts meet identical electrical specifications if sourcing alternatives.

Memory IC Selection Notes

Select this component when synchronous dual-port functionality with 8-bit width is required. Consider the 12 ns access time for system timing constraints. Verify voltage compatibility with 5V logic families. Evaluate thermal performance within the specified industrial temperature range. Assess pin count and package size suitability for PCB layout constraints.

Memory IC Part Context

This part belongs to the 709279 series of synchronous dual-port SRAMs. It shares architectural similarities with other members like the 709279L variants but differs in speed grade and specific packaging options. The series is designed for applications requiring high-bandwidth data transfer between two processors or systems.

Memory IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer obsolescence notices for potential cross-references.