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SN54LS399J

QUAD 2-PORT REGISTER

Partnumber Manufacturer Quantity Availability
SN54LS399J 246 In Stock

Description and Introduction

QUAD 2-PORT REGISTER The **SN54LS399J** is a **4-bit universal shift/storage register** from Texas Instruments.  

### **Manufacturer Specifications:**  
- **Manufacturer:** Texas Instruments  
- **Series:** SN54LS  
- **Package:** Ceramic DIP (Dual In-line Package)  
- **Technology:** LS (Low-Power Schottky)  
- **Operating Temperature Range:** -55°C to +125°C (military-grade)  
- **Supply Voltage:** 4.5V to 5.5V  
- **Logic Family:** TTL (Transistor-Transistor Logic)  
- **Number of Bits:** 4-bit  
- **Function:** Universal Shift/Storage Register  

### **Descriptions:**  
- The SN54LS399J is a **parallel-in/parallel-out** and **serial-in/serial-out** shift register with storage capability.  
- It can perform **shift left, shift right, parallel load, and hold** operations.  
- Designed for **military and high-reliability applications** due to its extended temperature range.  

### **Features:**  
- **4-bit universal operation** (shift left, shift right, parallel load, hold)  
- **Asynchronous clear** for resetting the register  
- **Low-power consumption** (LS technology)  
- **High-speed operation** (typical propagation delay: 15ns)  
- **Wide operating temperature range** (-55°C to +125°C)  
- **TTL-compatible inputs and outputs**  

This information is based solely on the device's technical specifications.

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