71V3556SA100BGG

Overview

The 71V3556SA100BGG is a 4.5 Mbit (128K x 36) Synchronous Burst SRAM manufactured by Renesas Electronics Corporation. It operates with a maximum clock frequency of 100 MHz and features a typical access time of 5 ns. The device utilizes a parallel interface and requires a core voltage supply between 3.135 V and 3.465 V. It is housed in a 119-pin PBGA package measuring 14x22 mm, designed for surface mount installation. The component supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Supports synchronous burst read operations with pipelined architecture
• Includes global write control and byte write enable signals
• Features power-down mode controlled by ZZ input

Applications

• High-performance processor secondary cache systems
• Network infrastructure equipment requiring fast data buffering
• Industrial automation controllers demanding wide bus interfaces

Procurement Notes

Verify current availability status as the product may be subject to discontinuation notices. Confirm that the specific suffix matches the required package type and temperature grade. Ensure compatibility with existing PCB layouts for the 119-PBGA footprint. Check for any recent Product Change Notifications regarding substrate or labeling updates before finalizing procurement plans.

Selection Notes

Select this component when a 36-bit data width is required for system bus alignment. The 100 MHz speed grade offers a balance between performance and power consumption compared to faster variants. Verify that the design accommodates the specific 3.3V I/O levels and core voltage requirements. Consider the physical dimensions of the PBGA package during mechanical layout planning.

Part Context

This part belongs to the 71V3556S family of synchronous SRAMs, which are designed for high-speed memory applications. The 'A' suffix typically denotes specific speed grades or package variations within the series. These devices are engineered to eliminate dead bus cycles during read-write transitions, enhancing overall system throughput in complex digital architectures.

Replacement Considerations

Check for direct pin-compatible alternatives within the same manufacturer's portfolio. Verify if newer generation parts offer improved power efficiency or extended lifecycle support. Ensure that any substitute maintains the 128K x 36 organization and compatible voltage specifications.