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IDT71321-SA55JI from IDT

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IDT71321-SA55JI

Manufacturer: IDT

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

Partnumber Manufacturer Quantity Availability
IDT71321-SA55JI,IDT71321SA55JI IDT 1000 In Stock

Description and Introduction

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS The **IDT71321-SA55JI** is a high-speed, low-power **2K x 8-bit Dual-Port Static RAM (SRAM)** manufactured by **Integrated Device Technology (IDT)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Memory Size:** 2K x 8-bit (16 Kb)  
- **Organization:** Dual-port (independent access for both ports)  
- **Supply Voltage:** 5V ±10%  
- **Access Time:** 55 ns  
- **Operating Current:** 80 mA (typical)  
- **Standby Current:** 10 mA (typical)  
- **Package:** 48-pin Ceramic J-Lead (JEDEC Standard)  
- **Operating Temperature Range:** -40°C to +85°C (Industrial Grade)  
- **Technology:** CMOS  

### **Descriptions:**
- Designed for **high-speed data transfer** between two processors or systems.  
- Supports **simultaneous read/write operations** on both ports without contention.  
- Features **on-chip arbitration logic** to prevent data corruption during simultaneous access to the same memory location.  
- Suitable for **real-time communication, multiprocessing, and buffering applications**.  

### **Features:**
- **True Dual-Port Operation** – Independent read/write access on both ports.  
- **Bus Compatibility** – TTL-compatible inputs and outputs.  
- **Automatic Power-Down** – Reduces power consumption when not in use.  
- **Interrupt Flag** – Supports hardware handshaking between ports.  
- **Semaphore (Flag) Logic** – Enables software coordination between processors.  
- **High Reliability** – Industrial-grade temperature range and robust design.  

This SRAM is commonly used in **embedded systems, telecommunications, networking, and industrial control applications** where fast, bidirectional data exchange is required.  

Would you like additional details on pin configurations or timing diagrams?

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