71V547XS80PFG

Overview

The IDT71V547XS80PFG is a Synchronous Zero-Bus Turnaround (ZBT) Static Random Access Memory (SRAM) device manufactured by Integrated Device Technology. It features a memory organization of 128K words by 36 bits, providing a total capacity of 4.5 Mbits. The component supports an access time of 8 nanoseconds and operates with a single 3.3V power supply voltage. It utilizes a parallel interface and is housed in a 100-pin Thin Quad Flat Package (TQFP).

Feature Summary

• Supports high-performance system speeds through Zero-Bus Turnaround technology, eliminating dead cycles between write and read operations.
• Features internally synchronized output buffer enable to simplify control logic requirements.
• Includes a burst counter for sequential data access capabilities.

Applications

• High-speed data buffering in telecommunications equipment
• Cache memory implementation in network routers and switches
• Data storage in industrial automation control systems

Procurement Notes

Verify the exact suffix character replacing 'X' against official Renesas or IDT documentation, as this character defines specific package variants or temperature ranges. Confirm current manufacturing status, as many parts in this series have reached end-of-life. Ensure compatibility with existing board layouts regarding pin assignments and voltage levels before procurement.

Selection Notes

Select this component when a synchronous SRAM with ZBT performance is required for 36-bit wide data paths. Compare access times and package dimensions against alternative devices in the 71V547 family. Verify that the 3.3V I/O levels match the target system's logic standards and that the TQFP-100 footprint fits the design constraints.

Part Context

This part belongs to the IDT 71V547 family of Synchronous ZBT SRAMs. The family offers various speed grades and configurations, including 256Kx36 and 512Kx18 options. These devices are designed for applications requiring fast random access and low latency without the complexity of DRAM refresh cycles.

Replacement Considerations

Check for direct replacements such as the 71V547S100PFGI8 from Renesas Electronics. Verify pin-to-pin compatibility and electrical specifications before substituting.