0418A81XLAA-4

Overview

The IBM 0418A81XLAA-4 is a Static Random Access Memory (SRAM) integrated circuit with a total storage capacity of 8 megabits. The device utilizes High-Speed Transceiver Logic (HSTL) interface standards for data transmission. It is housed in a 119-ball Ball Grid Array (BGA) package, featuring a physical footprint of 17x7 millimeters. This component serves as a memory solution within IBM hardware systems.

Feature Summary

• Provides 8Mbit SRAM storage capacity
• Supports HSTL signaling interface
• Utilizes 119-ball BGA packaging

Applications

• IBM server memory subsystems
• Enterprise computing hardware
• System board memory modules

Procurement Notes

Verify the exact part number against official IBM documentation to ensure compatibility with specific system models. Confirm that the HSTL interface requirements match the target motherboard design. Check for any specific ordering suffixes or revisions that may affect electrical characteristics or pinout configurations before finalizing procurement decisions.

Selection Notes

Select this component based on its 8Mbit density and 119-ball BGA form factor. Ensure the system design supports HSTL logic levels. Consider thermal management requirements associated with the BGA package size. Validate that the memory controller in the host system is compatible with the specified SRAM technology and interface speed.

Part Context

This SRAM IC is part of IBM's electronic component portfolio for enterprise infrastructure. It is designed for integration into high-reliability computing environments. The component supports data retention and rapid access speeds required by server-class applications. Its BGA package allows for compact mounting on dense circuit boards.

Replacement Considerations

Consult official IBM replacement guides for verified substitute part numbers. Generic equivalents may not match the specific HSTL timing or BGA pinout. Verify mechanical fit and electrical compatibility before substitution.