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IDT71421LA35J from IDT

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IDT71421LA35J

Manufacturer: IDT

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

Partnumber Manufacturer Quantity Availability
IDT71421LA35J IDT 222 In Stock

Description and Introduction

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS The IDT71421LA35J is a high-speed, low-power 16K x 8-bit dual-port static RAM (SRAM) manufactured by Integrated Device Technology (IDT). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 16K x 8-bit (131,072 bits)  
- **Operating Voltage:** 5V ±10%  
- **Access Time:** 35 ns  
- **Operating Current:** 120 mA (typical)  
- **Standby Current:** 10 mA (typical)  
- **Package:** 48-pin PLCC (Plastic Leaded Chip Carrier)  
- **Temperature Range:** Commercial (0°C to +70°C)  

### **Descriptions:**
- The IDT71421LA35J is a dual-port RAM that allows simultaneous access from two independent buses.  
- It is designed for applications requiring high-speed data transfer and shared memory between processors.  
- Features include automatic power-down and interrupt flag logic for efficient operation.  

### **Features:**
- **True Dual-Port Memory:** Independent read/write operations on both ports.  
- **Semaphore Signaling:** Hardware-based handshake for inter-processor communication.  
- **Busy Logic:** Prevents contention during simultaneous writes to the same address.  
- **Low Power Consumption:** CMOS technology for reduced power usage.  
- **Interrupt Support:** Flag pins indicate when data is written by the other port.  
- **Industrial-Standard Pinout:** Compatible with similar dual-port RAMs.  

This device is commonly used in telecommunications, networking, and multiprocessor systems.

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