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CDP1821CD3

CDP1821CD3 Description

The CDP1821CD3 is a high-performance Static Random Access Memory (SRAM) IC designed by Harris Corporation. This memory chip is part of the CDP18 series and is known for its reliable performance and versatile applications. The CDP1821CD3 features a parallel memory interface, making it suitable for a wide range of electronic systems that require fast and efficient data access. With a memory organization of 1K x 1, it offers a total memory size of 1Kbit, providing sufficient storage for various applications.

The CDP1821CD3 operates within a supply voltage range of 4V to 6.5V, ensuring compatibility with different power supply configurations. It has an access time of 255 nanoseconds, which is relatively fast for its memory size, and a write cycle time of 420 nanoseconds for word and page operations. This combination of fast access and write times makes it ideal for applications requiring quick data retrieval and modification.

The memory chip is packaged in a Through Hole format, specifically in a 16SBDIP package, which is robust and suitable for industrial and commercial applications. The CDP1821CD3 is also moisture-sensitive, with a Moisture Sensitivity Level (MSL) of 3, indicating it can be exposed to moisture for up to 168 hours before assembly.

CDP1821CD3 Features

• Memory Type: Volatile SRAM, ensuring data is retained as long as power is supplied.
• Memory Size: 1Kbit, organized as 1K x 1, providing a compact yet efficient storage solution.
• Access Time: 255 ns, ensuring quick data retrieval.
• Write Cycle Time: 420 ns for word and page operations, facilitating efficient data modification.
• Voltage Range: 4V to 6.5V, offering flexibility in power supply configurations.
• Mounting Type: Through Hole, with a 16SBDIP package, suitable for robust and reliable installations.
• Moisture Sensitivity Level: MSL 3 (168 hours), ensuring durability in various environmental conditions.
• Memory Interface: Parallel, allowing for efficient data transfer and compatibility with a wide range of systems.

CDP1821CD3 Applications

The CDP1821CD3 is ideal for applications that require fast and reliable memory access. Its compact size and efficient performance make it suitable for embedded systems, industrial controls, and commercial electronics. Some specific use cases include:

• Embedded Systems: Ideal for microcontroller-based systems where quick data access and modification are crucial.
• Industrial Controls: Suitable for programmable logic controllers (PLCs) and other industrial automation equipment.
• Commercial Electronics: Applicable in point-of-sale systems, vending machines, and other commercial devices that require reliable memory solutions.

Conclusion of CDP1821CD3

The CDP1821CD3 is a versatile and reliable SRAM IC that offers a balance of performance and durability. Its fast access and write times, combined with a robust Through Hole package and moisture resistance, make it an excellent choice for a variety of applications. Whether used in embedded systems, industrial controls, or commercial electronics, the CDP1821CD3 provides a reliable and efficient memory solution. Its compatibility with a wide range of power supply configurations and its parallel memory interface further enhance its appeal, making it a standout option in the memory IC market.