043640QKAA-4

Overview

The IBM 043640QKAA-4 is a static random-access memory (SRAM) integrated circuit with a total capacity of 4 megabits. It is designed for high-speed data storage and retrieval in enterprise computing environments. The component utilizes CMOS technology to ensure efficient power consumption and reliable operation within specified voltage ranges. This memory device supports standard SRAM interfaces, allowing for direct integration into system architectures requiring fast access times and low latency for critical data processing tasks.

Feature Summary

• High-speed data access capabilities suitable for performance-critical applications
• CMOS technology implementation for energy efficiency and thermal stability
• Standard SRAM interface compatibility for straightforward system integration

Applications

• Enterprise server memory subsystems
• High-performance computing data caching
• Network infrastructure equipment storage

Procurement Notes

Verify the exact part number suffix against official IBM documentation to confirm specific speed grades or package variations. Ensure that any sourced components match the original manufacturer specifications for pinout and electrical characteristics. Request certified datasheets from the supplier to validate authenticity and technical compliance before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring dedicated static memory with predictable access times. Consider the physical package constraints and thermal requirements during board layout. Evaluate the total system memory architecture to ensure compatibility with existing bus protocols and controller interfaces provided by the host processor.

Part Context

This SRAM module belongs to IBM's broader portfolio of memory solutions used in mainframe and enterprise server hardware. It serves as a critical component for maintaining system stability and data integrity in high-availability computing environments. The part is typically integrated into larger memory boards or modules rather than used as a standalone discrete component in end-user devices.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Any replacement must be verified against IBM's official obsolescence notices and cross-reference guides to ensure functional equivalence and mechanical compatibility.