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Product Detailed Parameters
- Description：IC SRAM 4MBIT
- Series：-
- Mfr：IBM
- Package：Bulk
- Memory Type：-
- Memory Format：SRAM
- Technology：-
- Memory Size：4Mbit
- Memory Organization：256K x 18
- Memory Interface：-
- Clock Frequency：-
- Write Cycle Time - Word, Page：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：-
- Supplier Device Package：-
- Access Time：-
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Overview
The IBM 0418A1ACLAA-42 is a Static Random-Access Memory (SRAM) integrated circuit with a total capacity of 4 Mbit. The device features a memory organization of 256K words by 18 bits, providing robust data storage capabilities for high-performance computing applications. This component is designed for surface mount technology, ensuring compatibility with modern automated assembly processes and compact board layouts.
Feature Summary
- High-density 4 Mbit SRAM architecture
- 18-bit word width configuration
- Surface mount package design
Applications
- High-performance computing systems
- Data acquisition modules
- Industrial control units
Procurement Notes
Verify the specific manufacturer documentation to confirm the exact pinout and electrical specifications for the IBM 0418A1ACLAA-42. Ensure that the procurement source provides authentic components with traceable history. Cross-reference the part number with official IBM or authorized distributor databases to avoid counterfeit products. Confirm that the device meets all required environmental and operational standards for your specific application environment before finalizing orders.
Selection Notes
Select this component when an 18-bit wide memory interface is required within a 4 Mbit capacity constraint. The surface mount package facilitates integration into space-constrained designs. Consider the specific voltage requirements and access times defined in the official datasheet to ensure compatibility with the host system's logic levels and timing constraints.
Part Context
This SRAM belongs to IBM's historical memory product line, often utilized in legacy mainframe and specialized server architectures. The 256K x 18 organization suggests use cases requiring wider data paths than standard 8-bit or 16-bit memories. It represents a specific era of high-reliability memory solutions developed for enterprise-grade hardware environments.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided reference material. Verify compatibility with any potential replacements by comparing pin configurations, voltage tolerances, and access speeds against the original IBM specification sheet.
