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IDT7140-SA55J from IDT

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IDT7140-SA55J

Manufacturer: IDT

HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM

Partnumber Manufacturer Quantity Availability
IDT7140-SA55J,IDT7140SA55J IDT 43 In Stock

Description and Introduction

HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM The IDT7140-SA55J is a high-speed 16K x 8 dual-port static RAM (SRAM) manufactured by Integrated Device Technology (IDT). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Memory Size:** 16K x 8 (131,072 bits)  
- **Organization:** Dual-port, 8-bit data bus  
- **Speed:** 55 ns access time  
- **Voltage Supply:** 5V ±10%  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Package:** 48-pin CerDIP (Ceramic Dual In-line Package)  

### **Descriptions:**
- The IDT7140-SA55J 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.  
- The device supports full asynchronous operation, allowing both ports to read and write independently.  

### **Features:**
- **True Dual-Port Memory:** Independent read/write operations on both ports.  
- **Asynchronous Operation:** No clock required for memory access.  
- **Bus Arbitration:** Built-in semaphore flag for port arbitration.  
- **Low Power Consumption:** CMOS technology for reduced power usage.  
- **Interrupt Support:** Mailbox interrupts for inter-processor communication.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Industrial-Grade Options Available:** Extended temperature range variants (e.g., IDT7140LA55J for -40°C to +85°C).  

This device is commonly used in multiprocessor systems, communication buffers, and other applications requiring shared memory access.  

Would you like additional details on any specific aspect?

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