The UPD421000C-10 is a 1,048,576-bit (1Mbit) Dynamic Random-Access Memory (DRAM) chip manufactured by NEC. This DRAM is organized as 1024K x 1 bit and offers a fast access time of 100ns. It is designed for use in a variety of memory applications, including computer memory, graphics cards, and embedded systems. The UPD421000C-10 provides a cost-effective and reliable solution for storing large amounts of data.

Applications

• Computer memory
• Graphics cards
• Embedded systems
• Printers
• Digital signal processing

Features

• 1,048,576-bit (1Mbit) capacity
• Organized as 1024K x 1 bit
• Fast access time: 100ns
• Single 5V power supply
• TTL compatible inputs and outputs
• Refresh operation required

Benefits

• High Capacity: Provides ample memory storage for a variety of applications.
• Fast Access Time: Enables quick data retrieval.
• Simplified System Design: TTL compatible inputs and outputs allow easy integration with other logic families.
• Cost-Effective: Offers a cost-effective solution for memory storage.
• Reliable Operation: Designed for stable and dependable performance.

Additional Details

The UPD421000C-10 DRAM requires a refresh operation to maintain the data stored in its memory cells. This refresh operation must be performed periodically to prevent data loss. The device operates from a single 5V power supply and features TTL compatible inputs and outputs, making it easy to interface with other digital logic circuits. The 100ns access time allows for quick retrieval of data, making it suitable for applications where speed is important. This DRAM chip is commonly used in systems where large amounts of memory are required, such as in computers, graphics cards, and embedded systems.