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SN74AS194DR from TI,Texas Instruments

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SN74AS194DR

Manufacturer: TI

4-Bit Bidirectional Universal Shift Registers

Partnumber Manufacturer Quantity Availability
SN74AS194DR TI 940 In Stock

Description and Introduction

4-Bit Bidirectional Universal Shift Registers The SN74AS194DR is a 4-bit bidirectional universal shift register manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Bidirectional Universal Shift Register  
- **Number of Bits:** 4  
- **Operating Voltage:** 4.5V to 5.5V  
- **High-Level Output Current:** -15mA  
- **Low-Level Output Current:** 24mA  
- **Propagation Delay:** 12ns (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16  

### **Descriptions:**  
The SN74AS194DR is a high-speed, 4-bit bidirectional shift register with parallel inputs and outputs. It can operate in four modes:  
1. **Parallel Load** – Data is loaded from parallel inputs.  
2. **Shift Right** – Data moves from Q0 to Q3.  
3. **Shift Left** – Data moves from Q3 to Q0.  
4. **Hold** – Current data is retained.  

### **Features:**  
- Synchronous parallel or serial operation  
- Asynchronous master reset  
- Direct overriding control inputs  
- High-speed performance with 12ns typical propagation delay  
- TTL-compatible inputs and outputs  
- Available in SOIC-16 package  

This device is commonly used in data storage, serial-to-parallel conversion, and arithmetic operations.

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