71V3556SA166BGG

Overview

The IDT71V3556SA166BGG is a synchronous static random access memory integrated circuit manufactured by Renesas Electronics Corporation. It features a storage capacity of 4.5 Mbit organized as 128K x 36 bits. The device supports a maximum clock frequency of 166 MHz with an access time of 3.5 ns. It operates on a parallel interface and requires a supply voltage between 3.135 V and 3.465 V. The component is housed in a 119-PBGA package measuring 14x22 mm, designed for surface mount installation.

Feature Summary

• Synchronous Single Data Rate Zero Bus Turnaround architecture eliminates dead bus cycles during read-to-write or write-to-read transitions.
• High-speed parallel interface supporting data transfer rates up to 166 MHz.
• Integrated pipelined output structure for improved timing performance.

Applications

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

Procurement Notes

Verify the specific suffix BGG corresponds to the 119-PBGA package variant when sourcing replacements. Confirm moisture sensitivity level requirements for assembly processes. Check current availability status as this part may be subject to end-of-life notices. Ensure compatibility with existing PCB footprints before procurement.

Selection Notes

Select this component for designs requiring 36-bit wide data paths at high clock speeds. Compare against other 71V3556 variants based on package type and temperature range. Verify that the 3.3V I/O logic levels match the system voltage requirements. Consider the physical dimensions of the PBGA package for board space constraints.

Part Context

This device belongs to the 71V3556 series of synchronous SRAMs from Renesas. It shares architectural similarities with other models in the family but differs in speed grade and packaging. The 166 MHz speed bin distinguishes it from slower variants like the 100 MHz or 133 MHz versions within the same product line.

Replacement Considerations

• 71V3556SA166BQGI