The IDT7133SA25JI is a high-speed, CMOS, 4K x 8 Dual-Port Static RAM (SRAM) manufactured by Integrated Device Technology (IDT). This SRAM is designed to provide asynchronous and simultaneous access to a common memory location from two independent sources. It is suitable for applications that require high-speed data transfer and inter-processor communications.

Applications

• Multi-processor systems requiring shared memory
• Data buffering in communication systems
• Image and signal processing equipment
• Networking devices for packet storage
• Real-time data acquisition systems

Features

• True Dual-Ported Memory: Enables simultaneous and independent access from two ports.
• On-Chip Arbitration Logic: Simplifies system design by automatically resolving memory contention.
• High-Speed Access Time: 25ns access time ensures rapid data retrieval and storage.
• Low Power Consumption: CMOS technology minimizes power dissipation.
• Separate I/O Pins for Each Port: Simplifies interfacing with different processors and peripherals.
• Interrupt Flag: Provides a mechanism for inter-processor signaling.
• Fully Asynchronous Operation: No common clock required for data transfer between ports.
• Available in a Ceramic DIP Package: Offers robust mechanical and thermal performance.

Benefits

• Increased System Throughput: Dual-port architecture eliminates bottlenecks in multi-processor systems.
• Simplified System Design: On-chip arbitration logic reduces the need for external components.
• Reduced Power Consumption: CMOS technology extends battery life in portable applications.
• Improved System Reliability: Robust ceramic package provides superior protection against environmental factors.
• Faster Data Transfer Rates: High-speed access time enables real-time data processing.
• Enhanced Inter-Processor Communication: Interrupt flag facilitates efficient communication between processors.

Technical Specifications

The IDT7133SA25JI operates with a supply voltage of 5V. It features a 4K x 8 memory array, providing a total storage capacity of 32,768 bits. The device is TTL compatible and includes tri-state outputs. The operating temperature range is generally between -55°C to +125°C. The device's dual-port capability allows for simultaneous read and write operations, maximizing overall system performance. The on-chip arbitration logic ensures that memory access conflicts are resolved efficiently, without the need for external circuitry.