HSP43168JI-40

Overview

The HSP43168JI-40 is a high-speed static RAM component manufactured by Intersil. It features a 4M-bit capacity organized as 524,288 words by 8 bits. The device operates with a maximum access time of 40 nanoseconds, ensuring rapid data retrieval for demanding applications. It utilizes a single +5V power supply and employs CMOS technology for low power consumption during operation. The package is a standard ceramic dual in-line package (CDIP) with 28 pins, designed for robust industrial and commercial environments.

Feature Summary

• High-speed data access capabilities suitable for real-time processing systems
• Low power consumption characteristics inherent to CMOS technology
• Robust packaging design for reliable performance in various environments

Applications

• High-performance computing memory subsystems
• Industrial control system data storage
• Telecommunications equipment buffering

Procurement Notes

Verify the specific suffix 'JI' against manufacturer documentation to confirm pinout compatibility and temperature range specifications. Ensure that the 40ns access time requirement aligns with system timing constraints before integration. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a 4M-bit static RAM with 40ns access speed is required. Consider the CDIP package size for board layout constraints. Evaluate power dissipation requirements relative to the system's thermal management capabilities. Confirm voltage tolerance matches the +5V supply rail.

Part Context

This model belongs to Intersil's historical line of high-speed SRAMs. It was designed during an era where fast memory access was critical for mainframe and workstation architectures. The JI suffix typically denotes a specific package type and operating temperature range within the product family.

Replacement Considerations

Direct replacements may include other 4Mx8 SRAMs with 40ns or faster access times from manufacturers like AMD or Hitachi. Verify pin compatibility and electrical specifications before substitution. Check for updated versions with lower power consumption if available.