The IDT7142LA35CB is a high-speed, asynchronous, dual-port static RAM (SRAM) device manufactured by Integrated Device Technology (IDT). It is designed for applications requiring simultaneous access to a shared memory resource from two independent processors or systems. Its dual-port architecture and fast access times make it suitable for various high-performance applications.

Applications

• Multiprocessor Systems: Used in systems where multiple processors need to share data efficiently.
• Data Acquisition: Suitable for capturing and buffering data in real-time from multiple sources.
• Image Processing: Utilized in image processing applications where data needs to be accessed quickly by multiple processing elements.
• Networking Equipment: Found in network devices for packet buffering and data transfer between different network interfaces.
• Industrial Control Systems: Employed in control systems where data needs to be accessed and updated by multiple controllers.

Features

• Dual-Port Architecture: Allows simultaneous and independent access to the memory array from two separate ports.
• High-Speed Access: Offers a fast access time of 35ns, enabling rapid data retrieval and storage.
• Asynchronous Operation: Operates asynchronously, simplifying system design and eliminating the need for complex clock synchronization.
• On-Chip Arbitration Logic: Includes on-chip arbitration logic to manage simultaneous access requests and prevent data collisions.
• Interrupt Flags: Provides interrupt flags to signal data availability or status changes to the processors.
• Low Power Consumption: Designed for low power operation, making it suitable for battery-powered and energy-sensitive applications.
• TTL-Compatible Inputs and Outputs: Compatible with standard TTL logic levels, simplifying interfacing with other system components.

Benefits

• Increased System Throughput: Dual-port architecture enables simultaneous access, resulting in improved system performance and throughput.
• Simplified System Design: Asynchronous operation simplifies system design and reduces the need for complex interface circuitry.
• Efficient Interprocessor Communication: Facilitates fast and reliable interprocessor communication, enabling efficient data sharing and coordination.
• Reduced Power Consumption: Low power consumption extends battery life and reduces overall system power requirements.
• Real-Time Performance: High-speed access and dual-port operation enable real-time data acquisition and processing.

Additional Details

The IDT7142LA35CB is typically available in a ceramic DIP package (CB). It operates over a standard commercial temperature range. The device requires a single 5V power supply. The memory array size is 2K x 8 bits. This SRAM provides a reliable solution for applications requiring high-speed, low-power, and dual-port access capabilities. Its asynchronous operation and on-chip arbitration logic ensure reliable data access and minimal system overhead.