71V3556SA133BQI8

Memory IC Overview

The 71V3556SA133BQI8 is a static random access memory component manufactured by Renesas Electronics. It features a storage capacity of 4 Mbit organized as 128 k x 36. The device operates with a maximum clock frequency of 133 MHz and has an access time of 4.2 ns. It utilizes a parallel interface and requires a supply voltage between 3.135 V and 3.465 V. The maximum power current is 310 mA. The operating temperature range spans from -40 C to +85 C. The component is housed in a CABGA-165 package.

Memory IC Feature Summary

• Synchronous Single Data Rate (SDR) Zero Bus Turnaround (ZBT) architecture for high-speed data transfer
• Pipelined outputs to enhance throughput efficiency
• Integrated burst counter for sequential access operations

Memory IC Applications

• High-performance embedded systems requiring fast memory access
• Network infrastructure equipment
• Industrial control applications

Memory IC Procurement Notes

Verify the End-of-Life status before procurement, as the manufacturer indicates this product is obsolete and will be discontinued. Confirm availability through authorized distributors, noting that stock may be limited or restricted in certain regions. Ensure compliance with RoHS specifications and moisture sensitivity levels during handling and storage to maintain component integrity.

Memory IC Selection Notes

Select this component when a 128 k x 36 organization is required with synchronous ZBT SRAM performance at 133 MHz. Consider the CABGA-165 package constraints and the specific 3.3V I/O voltage requirements. Evaluate the thermal characteristics within the -40 C to +85 C range against the application environment. Compare against other members of the 71V3556SA series for alternative speed grades or package options if availability is constrained.

Memory IC Part Context

This part belongs to the Renesas 71V3556SA series of Synchronous ZBT SRAMs. These devices are designed for applications demanding high bandwidth and low latency. The series typically includes variants with different clock speeds and package types, such as the 100 MHz and 166 MHz versions. The SA suffix denotes specific internal characteristics within the broader 71V3556 family.

Memory IC Replacement Considerations

Publicly confirmed substitute part numbers include IDT71V3556SA133BGGI8 and 71V3556SA133BGGI8. Verify pin compatibility and electrical specifications before substitution.