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SN74HC191D from TI,Texas Instruments

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SN74HC191D

Manufacturer: TI

4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS

Partnumber Manufacturer Quantity Availability
SN74HC191D TI 143 In Stock

Description and Introduction

4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS The SN74HC191D is a 4-bit synchronous up/down binary counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Synchronous Up/Down Counter  
- **Number of Bits:** 4  
- **Supply Voltage Range:** 2V to 6V  
- **High-Level Output Current:** -5.2mA  
- **Low-Level Output Current:** 5.2mA  
- **Propagation Delay Time:** 22ns (typical at 5V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-16  

### **Descriptions:**  
- The SN74HC191D is a high-speed CMOS logic counter with synchronous counting functionality.  
- It features a parallel load capability for preset values.  
- The count direction (up or down) is controlled by a single input.  
- Includes ripple clock output for cascading multiple counters.  

### **Features:**  
- Synchronous counting operation  
- Asynchronous parallel load capability  
- Single up/down control input  
- Ripple clock output for cascading  
- Low power consumption  
- Balanced propagation delays  

This information is based solely on the technical specifications provided by Texas Instruments for the SN74HC191D.

Application Scenarios & Design Considerations

4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS

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