71V3558S133PFGI8

Memory IC Overview

The IDT71V3558S133PFGI8 is a synchronous single data rate static random access memory integrated circuit manufactured by Renesas Electronics Corporation. It features a parallel interface with a total storage capacity of 4.5 megabits, organized as 256K words by 18 bits. The device supports a maximum clock frequency of 133 MHz and offers an access time of 4.2 nanoseconds. It operates within a supply voltage range of 3.135 volts to 3.465 volts and is housed in a 100-pin thin quad flat package measuring 14x14 millimeters.

Memory IC Feature Summary

• Supports high-speed synchronous operation at frequencies up to 133 MHz for efficient data throughput.
• Utilizes Zero Bus Turnaround (ZBT) technology to minimize wait states during bus turnaround cycles.
• Features a 100-pin TQFP surface-mount package designed for compact board integration.

Memory IC Applications

• High-performance embedded systems requiring fast local memory buffering
• Network infrastructure equipment utilizing parallel SRAM interfaces
• Industrial control systems needing reliable volatile data storage

Memory IC Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm RoHS compliance specifications against current regulatory requirements. Ensure proper handling procedures are followed given moisture sensitivity level classification. Validate pin compatibility with existing PCB footprints before procurement.

Memory IC Selection Notes

Select this component when specific 18-bit word width and 133 MHz synchronous performance are required. Compare against asynchronous alternatives if lower power consumption is prioritized over speed. Ensure the 100-pin TQFP package fits the mechanical constraints of the target enclosure design.

Memory IC Part Context

This part belongs to the IDT 71V3558 family of synchronous ZBT SRAM devices. It shares architectural similarities with other members like the 71V3556 but differs in organization and density. The series is characterized by high-speed parallel interfaces suitable for demanding digital signal processing applications.

Memory IC Replacement Considerations

Officially documented similar substitutes include the 71V3558S166PFG and 71V3558S166PFGI from Renesas Electronics Corporation. Verify electrical parameter compatibility before substitution.