The UPD424256C-80 is a 256K x 4-bit high-speed Static RAM (SRAM) manufactured by NEC. It's designed for applications requiring fast data access and low power consumption. This SRAM utilizes advanced CMOS technology to achieve high performance and reliability.

Applications

• High-speed cache memory
• Buffer memory for data acquisition systems
• Graphics display systems
• Digital signal processing (DSP) applications
• Microprocessor-based systems requiring fast memory access

Features

• High-speed access time: 80ns
• Low power consumption
• Single 5V power supply
• TTL compatible inputs and outputs
• 256K x 4-bit organization
• Three-state outputs
• Available in DIP and SOJ packages

Benefits

• Improved system performance due to fast access time
• Reduced power consumption, suitable for battery-powered applications
• Easy integration with TTL-based systems
• Increased memory capacity in a compact package
• Flexible interfacing with various microprocessors and controllers

Technical Specifications

The UPD424256C-80 operates with a single 5V ± 10% power supply. It features TTL compatible inputs and outputs, ensuring seamless integration with a wide range of digital systems. The device has a typical power consumption of around 70mA during operation and a standby current of approximately 10mA. The operating temperature range is typically 0°C to 70°C.

The access time of 80ns allows for quick retrieval of data, enhancing the overall system responsiveness. The three-state outputs enable easy memory expansion and bus sharing. The 256K x 4-bit organization provides a suitable memory capacity for various embedded and general-purpose applications.