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IDT70121L55JG from IDT

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IDT70121L55JG

Manufacturer: IDT

HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT

Partnumber Manufacturer Quantity Availability
IDT70121L55JG IDT 440 In Stock

Description and Introduction

HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT The **IDT70121L55JG** is a high-performance **16K x 16 Dual-Port Static RAM** manufactured by **Integrated Device Technology (IDT)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Density:** 262,144 bits (16K x 16)  
- **Organization:** 16-bit word width  
- **Speed:** 55 ns access time  
- **Voltage Supply:** 5V ±10%  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 68-pin PLCC (Plastic Leaded Chip Carrier)  

### **Descriptions:**
- The **IDT70121L55JG** is a **dual-port RAM**, allowing simultaneous access from two independent buses.  
- It is designed for high-speed data transfer applications, including multiprocessor systems, communication buffers, and shared memory systems.  
- Features **on-chip arbitration logic** to prevent data corruption during simultaneous access to the same memory location.  

### **Features:**
- **True Dual-Port Operation:** Independent read/write access from both ports.  
- **Bus Compatibility:** TTL-compatible inputs and outputs.  
- **Interrupt Control:** Supports mailbox communication with interrupt flags.  
- **Automatic Power-Down:** Reduces power consumption when not in use.  
- **Semaphore Signaling:** Hardware handshake for shared resource management.  
- **High-Speed Performance:** 55 ns access time for fast data processing.  

This device is commonly used in applications requiring high-speed, shared memory access between multiple processors or systems.

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