71V3558S100PFG

Memory IC Overview

The IDT71V3558S100PFG is a 4.5 Mbit synchronous ZBT SRAM organized as 256K x 18, manufactured by Renesas Electronics Corporation. It operates with a maximum clock frequency of 100 MHz and features a 5 ns access time. The device utilizes a parallel interface and requires a supply voltage between 3.135 V and 3.465 V. It is housed in a 100-TQFP (14x14) surface-mount package and supports an industrial operating temperature range of 0°C to 70°C.

Memory IC Feature Summary

• Supports high-speed synchronous operation with pipelined outputs for improved system throughput.
• Features burst counter functionality to provide multiple data cycles per single address presentation.
• Includes self-timed write cycles controlled by global write control and byte write enable signals.

Memory IC Applications

• High-performance computing systems requiring fast data buffering
• Network infrastructure equipment utilizing parallel memory interfaces
• Industrial control systems needing reliable synchronous static RAM

Memory IC Procurement Notes

Verify component authenticity through authorized distributors due to discontinued status. Confirm RoHS compliance requirements, as standard versions may not meet current environmental regulations. Check for specific suffix variations that might indicate different packaging or temperature grades before finalizing procurement orders.

Memory IC Selection Notes

Select this component when a 256K x 18 organization is required for parallel data paths. Ensure the design accommodates the 3.3V I/O levels and the specific 100-pin TQFP footprint. Consider thermal management within the 0°C to 70°C range if operating in enclosed industrial environments.

Memory IC Part Context

This part belongs to the IDT71V3556/58 family of 3.3V Synchronous ZBT SRAMs. It shares architectural similarities with other members like the 71V3558S100PF but differs in packaging and environmental specifications. The series is designed for applications demanding low latency and high bandwidth in synchronous memory architectures.

Memory IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing board layouts and signal integrity requirements if considering alternative synchronous SRAM families from the same manufacturer.