71V3556SA133BGGI

Memory IC Overview

The IDT71V3556SA133BGGI is a 4.5 Mbit synchronous ZBT SRAM with a 128K x 36 organization, operating at 133 MHz with 4.2 ns access time. It uses a 119-PBGA (14x22) package and supports 3.135V to 3.465V supply voltage. The device features pipelined architecture, single R/W control, and byte write capabilities for high-performance data handling.

Memory IC Feature Summary

• Pipelined architecture with positive clock-edge triggered registers
• Single Read/Write control pin eliminates separate output enable requirements
• Supports 4-word burst operations in interleaved or linear modes
• Enables individual byte write functionality via dedicated control pins

Memory IC Applications

• High-speed cache memory systems
• Network routing equipment buffers
• Telecommunications signal processing interfaces

Memory IC Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm RoHS compliance and moisture sensitivity level (MSL 3) for surface mount assembly processes. Check for lead-free solder compatibility and ensure storage conditions prevent humidity damage prior to reflow soldering.

Memory IC Selection Notes

Select this part for applications requiring 36-bit wide data paths and synchronous interface timing. Compare against standard ZBT variants if lower speed or different packaging is acceptable. Ensure system voltage matches the specified 3.3V range and verify PCB layout constraints for the 119-pin BGA footprint.

Memory IC Part Context

This component belongs to the IDT 71V3556 family of 3.3V Synchronous ZBT SRAMs. It offers high-density memory configurations optimized for bandwidth-intensive applications. The SA suffix indicates specific performance and packaging variations within the broader product line managed by Renesas Electronics Corporation following industry consolidation.

Memory IC Replacement Considerations

• IDT71V3556S133BGGI
• IDT71V3556XS133BGGI

Memory IC FAQ

Does the IDT71V3556SA133BGGI support independent byte writes?

Yes, it includes individual byte write capability controlled by specific byte write mask pins.

What is the maximum clock frequency for this device?

The device supports a maximum clock frequency of 133 MHz.