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IDT71321LA25JI from IDT

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IDT71321LA25JI

Manufacturer: IDT

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS

Partnumber Manufacturer Quantity Availability
IDT71321LA25JI IDT 20 In Stock

Description and Introduction

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS The IDT71321LA25JI is a high-speed 16K x 16-bit dual-port static RAM (SRAM) manufactured by Integrated Device Technology (IDT). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Memory Size:** 16K x 16-bit (262,144 bits)  
- **Organization:** Dual-port (independent access for both ports)  
- **Supply Voltage:** 5V ±10%  
- **Access Time:** 25 ns  
- **Operating Temperature Range:** -40°C to +85°C (Industrial Grade)  
- **Package:** 68-pin PLCC (Plastic Leaded Chip Carrier)  
- **Power Consumption:**  
  - Active: 1.5W (typical)  
  - Standby: 55mW (typical)  

### **Descriptions:**  
- The IDT71321LA25JI is a high-performance dual-port RAM designed for applications requiring simultaneous access from two independent buses.  
- It supports fully asynchronous operation, allowing both ports to read or write independently without wait states.  
- Includes built-in arbitration logic to prevent data corruption during simultaneous write operations to the same address.  

### **Features:**  
- **True Dual-Port Operation:** Independent read/write access from both ports.  
- **Interrupt Support:** Semaphore flag and mailbox interrupt for inter-processor communication.  
- **High-Speed Performance:** 25 ns access time for fast data transfer.  
- **Low Power Consumption:** CMOS technology for reduced power usage.  
- **Bus Compatibility:** TTL-compatible inputs and outputs.  
- **Automatic Power-Down:** Reduces power when not in use.  

This device is commonly used in multiprocessor systems, communication buffers, and other applications requiring shared memory access.

Application Scenarios & Design Considerations

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS

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