0436A4ACLAB-37

Overview

The IBM 0436A4ACLAB-37 is a Static Random Access Memory (SRAM) integrated circuit with a total capacity of 4 Mbit. It features an organization of 128K words by 36 bits, providing high-density data storage capabilities. The component utilizes HSTL signaling standards for reliable high-speed data transmission. It is housed in a 119-BGA package with dimensions of 17x7 mm, designed for surface-mount applications requiring compact form factors and robust connectivity.

Feature Summary

• High-density SRAM architecture supporting 128K x 36 bit organization
• HSTL interface standard for stable high-speed signal integrity
• Compact 119-ball BGA packaging for space-constrained designs

Applications

• Server memory subsystems
• Storage networking equipment
• Enterprise computing hardware

Procurement Notes

Verify the manufacturer origin, as some listings indicate Rochester Electronics LLC as the manufacturer while others cite IBM. Confirm the specific package variant matches the 119-BGA (17x7) specification. Ensure the part status is active before integration into production systems to avoid supply chain disruptions.

Selection Notes

Select this component when a 4 Mbit SRAM with 36-bit word width is required. The HSTL interface compatibility must align with the host system's voltage and signaling requirements. The 119-BGA footprint dictates the PCB layout constraints and thermal management strategy for the final assembly.

Part Context

This SRAM belongs to IBM's memory component portfolio, often utilized in enterprise-grade infrastructure. It supports high-performance computing environments where fast data access and reliability are critical. The device complements IBM's broader storage and server ecosystem solutions.

Replacement Considerations

Check for direct substitutes from Rochester Electronics LLC if IBM-sourced units are unavailable. Verify pinout and electrical specifications match exactly before substituting any alternative SRAM devices.