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IDT71421LA55PFI from IDT

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15.625ms

IDT71421LA55PFI

Manufacturer: IDT

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

Partnumber Manufacturer Quantity Availability
IDT71421LA55PFI IDT 15 In Stock

Description and Introduction

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS The **IDT71421LA55PFI** is a high-speed, low-power, 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 to both ports)  
- **Supply Voltage:** 5V ±10%  
- **Access Time:** 55 ns  
- **Operating Current:** 120 mA (typical)  
- **Standby Current:** 10 mA (typical)  
- **Package:** 68-pin PLCC (Plastic Leaded Chip Carrier)  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  

### **Descriptions:**
- The **IDT71421LA55PFI** is a **dual-port SRAM** that allows simultaneous access from two independent buses.  
- It is designed for high-speed data transfer applications where concurrent read/write operations are required.  
- The device supports **asynchronous operation** with separate control signals for each port.  
- It includes **on-chip 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.  
- **High-Speed Performance:** 55 ns access time.  
- **Low Power Consumption:** CMOS technology for reduced power usage.  
- **Bus Compatibility:** TTL-compatible inputs and outputs.  
- **Semaphore Signaling:** Built-in hardware semaphore for inter-processor communication.  
- **Automatic Power-Down:** Reduces power when not in use.  
- **Industrial Standard Pinout:** Compatible with other dual-port SRAMs.  

This device is commonly used in **multiprocessor systems, communication buffers, and data-sharing applications**.  

Would you like additional details on any specific aspect?

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