W634GU8RB11I

Memory IC Overview

The W634GU8RB11I is a 4 Gbit DDR3L SDRAM manufactured by Winbond Electronics. It features an x8 data bus width and operates at a maximum clock frequency of 933 MHz. The device is organized as 512 M x 8 and utilizes a 78-VFBGA package. Power supply voltage ranges from 1.283 V to 1.45 V, with a maximum power current of 452 mA. It supports industrial temperature operation between -40°C and +95°C.

Memory IC Feature Summary

• Supports low voltage operation for reduced power consumption
• Includes ZQ calibration and write leveling functions for signal integrity
• Compatible with mainstream processors such as STM32MP1 series

Memory IC Applications

• Industrial automation systems
• Network communication equipment
• IoT devices requiring stable memory storage

Memory IC Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for recent Product Change Notifications (PCN) regarding material changes. Ensure the specific suffix matches design requirements before procurement.

Memory IC Selection Notes

Select this part for applications requiring high-density storage in compact surface-mount packages. Consider the 933 MHz speed grade for high-bandwidth needs. Verify thermal management capabilities for the specified industrial temperature range during system design.

Memory IC Part Context

This component belongs to the W634GU8MB/RB series of DDR3L SDRAMs. It shares architectural similarities with other members like W634GU8MB11I but differs in packaging or revision details. It serves as a core memory solution for embedded systems needing reliable data retention.

Memory IC Replacement Considerations

W634GU8MB11I is listed as a parameter-equivalent alternative.