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IDT71321LA55J from IDT

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IDT71321LA55J

Manufacturer: IDT

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

Partnumber Manufacturer Quantity Availability
IDT71321LA55J IDT 1980 In Stock

Description and Introduction

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS The **IDT71321LA55J** is a high-speed, low-power **16K x 8 Dual-Port Static RAM (SRAM)** manufactured by **Integrated Device Technology (IDT)**. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Organization:** 16K x 8 (131,072 bits)  
- **Supply Voltage:** 5V ±10%  
- **Access Time:** 55 ns  
- **Operating Current:** 120 mA (typical)  
- **Standby Current:** 10 mA (typical)  
- **Package:** 48-pin PLCC (Plastic Leaded Chip Carrier)  
- **Operating Temperature Range:** 0°C to +70°C (Commercial)  
- **I/O Compatibility:** TTL  

### **Descriptions:**  
- **Dual-Port Architecture:** Allows simultaneous access from both ports (left and right) for high-speed data transfer.  
- **Asynchronous Operation:** Independent control signals for each port (CE, OE, R/W).  
- **Bus Arbitration:** On-chip semaphore logic for inter-port communication.  
- **High-Speed Performance:** Optimized for applications requiring fast access times.  
- **Low Power Consumption:** CMOS technology for reduced power usage.  

### **Features:**  
- **True Dual-Port Memory:** Simultaneous read/write operations on both ports.  
- **Semaphore Flag Control:** Hardware handshaking for shared resource management.  
- **Interrupt Support:** Mailbox interrupt for inter-processor communication.  
- **Expandable Data Width:** Can be cascaded for wider word sizes.  
- **Industrial Standard Pinout:** Compatible with other dual-port RAMs.  

This device is commonly used in **multiprocessor systems, communications, and real-time data processing** where concurrent memory access is required.  

Would you like additional details on a specific aspect?

Partnumber Manufacturer Quantity Availability
IDT71321LA55J 43 In Stock

Description and Introduction

HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS The IDT71321LA55J 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:

### **Manufacturer:**  
Integrated Device Technology (IDT)  

### **Part Number:**  
IDT71321LA55J  

### **Type:**  
Dual-Port Static RAM (SRAM)  

### **Density:**  
16K x 16-bit (262,144 bits)  

### **Speed:**  
55 ns access time  

### **Voltage Supply:**  
5V ±10%  

### **Operating Temperature Range:**  
Commercial (0°C to +70°C)  

### **Package:**  
48-pin PLCC (Plastic Leaded Chip Carrier)  

### **Features:**  
- True dual-port memory cell  
- Simultaneous access from both ports  
- Independent control signals for each port  
- On-chip port arbitration logic  
- Fully static operation (no clock or refresh required)  
- Low power consumption (CMOS technology)  
- TTL-compatible inputs and outputs  
- Industrial temperature range option available in other variants  

### **Applications:**  
- Interprocessor communication  
- Data buffering  
- Shared memory systems  
- High-speed data acquisition  

This device is designed for applications requiring fast, simultaneous read/write operations from two independent ports.

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For immediate assistance, call us at +86 533 2716050 or email [email protected]

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