71V3557S85BGI8

Memory IC Overview

The 71V3557S85BGI8 is a synchronous single data rate static random access memory manufactured by Renesas Electronics Corporation. It features a storage capacity of 4.5 Mbit organized as 128K x 36 bits. The device operates with an access time of 8.5 ns and supports a maximum clock frequency of 87 MHz. It utilizes a parallel interface and functions within a supply voltage range of 3.135 V to 3.465 V. The component is housed in a 119-pin PBGA package measuring 14x22 mm and supports an operating temperature range from -40°C to +85°C.

Memory IC Feature Summary

• Supports synchronous burst mode operations for high-speed data transfer
• Includes self-timed write cycles with global write control capabilities
• Features low power consumption with controlled power-down modes

Memory IC Applications

• High-performance computing systems requiring fast memory access
• Network infrastructure equipment
• Industrial automation controllers

Memory IC Procurement Notes

Verify the current lifecycle status before procurement, as this component is officially listed as obsolete or end-of-life by the manufacturer. Confirm availability through authorized distributors or secondary market suppliers. Ensure compliance with RoHS non-compliance requirements if applicable to your specific regulatory environment. Validate that the 119-PBGA package dimensions match your PCB footprint design constraints.

Memory IC Selection Notes

Select this component when a 128K x 36 organization is required for synchronous memory applications. Consider the 8.5 ns access time and 87 MHz clock limit against system timing requirements. Evaluate the 119-PBGA package suitability for surface mount assembly processes. Compare performance metrics with other members of the 71V3557 family if different speed grades or packages are needed.

Memory IC Part Context

This part belongs to the Renesas 71V3557 series of synchronous SRAMs. These devices are designed for applications demanding high bandwidth and low latency. The series typically offers various speed grades and package options to accommodate different system integration needs. The 71V3557S85BGI8 specifically represents the 8.5 ns speed grade in the BGA package format.

Memory IC Replacement Considerations

Public confirmed substitute part numbers include IDT71V3557S85BGI8.