71V3556S133PFGI

Memory IC Overview

The 71V3556S133PFGI is a 4.5 Mbit synchronous static random-access memory (SRAM) manufactured by Renesas Electronics Corporation. It features a memory organization of 128K x 36 bits and operates with a maximum clock frequency of 133 MHz. The device supports a parallel interface with a typical access time of 4.2 ns. It functions within a supply voltage range of 3.135 V to 3.465 V and is rated for an operating temperature range of -40°C to +85°C. The component is housed in a 100-pin Thin Quad Flat Package (TQFP).

Memory IC Feature Summary

• Supports high-speed data transfer via a 133 MHz synchronous single data rate (SDR) interface.
• Provides wide data throughput through a 36-bit parallel data bus architecture.
• Ensures reliable operation across industrial temperature ranges from -40°C to +85°C.

Memory IC Applications

• High-performance embedded systems requiring fast data buffering.
• Industrial control units utilizing wide data buses.
• Telecommunications equipment needing rapid memory access.

Memory IC Procurement Notes

Verify the specific suffix PFGI against official Renesas documentation to confirm package type and material compliance. Confirm current lifecycle status, as this component may be subject to end-of-life notices or obsolescence warnings. Ensure compatibility with existing board designs regarding pinout and voltage levels before procurement.

Memory IC Selection Notes

Select this component when a 36-bit data width is required for system architecture compatibility. The 133 MHz speed rating suits applications demanding low-latency memory access. Verify that the 100-pin TQFP footprint fits the available PCB space and thermal management requirements.

Memory IC Part Context

This part belongs to the Renesas 71V3556 series of synchronous SRAMs. These devices are designed for applications requiring high-speed, non-volatile-like performance without the complexity of DRAM refresh cycles. The series typically offers various speed grades and package options to accommodate different design constraints.

Memory IC Replacement Considerations

Consult official Renesas substitution guides for verified alternatives. Generic equivalents may not match the 36-bit width or 133 MHz timing specifications. Verify pin-to-pin compatibility if considering cross-brand replacements.