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SN74LS173A from TI,Texas Instruments

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SN74LS173A

Manufacturer: TI

4-Bit D-type Registers with 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74LS173A TI 39 In Stock

Description and Introduction

4-Bit D-type Registers with 3-State Outputs The SN74LS173A is a 4-bit D-type register with 3-state outputs, manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** D-Type Register  
- **Number of Bits:** 4  
- **Output Type:** 3-State  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Propagation Delay:** Typically 15ns (max 30ns)  
- **Power Dissipation:** 93mW (typical)  
- **Package Options:** 16-pin PDIP, SOIC  

### **Descriptions:**  
The SN74LS173A is a high-speed 4-bit register with parallel inputs and outputs. It features 3-state outputs for bus-oriented applications, allowing multiple devices to share a common bus. The register includes master reset (MR) and output enable (OE) controls.  

### **Features:**  
- **Parallel Data Inputs and Outputs**  
- **3-State Outputs for Bus Interface**  
- **Master Reset (MR) for Clearing All Bits**  
- **Output Enable (OE) for High-Impedance State**  
- **LS (Low-Power Schottky) Technology**  
- **TTL-Compatible Inputs and Outputs**  
- **Wide Operating Voltage Range (4.75V–5.25V)**  

This device is commonly used in digital systems for temporary data storage and bus interfacing.

Application Scenarios & Design Considerations

4-Bit D-type Registers with 3-State Outputs

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