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SN75ALS191PSR from TI,Texas Instruments

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SN75ALS191PSR

Manufacturer: TI

Dual Differential Line Driver

Partnumber Manufacturer Quantity Availability
SN75ALS191PSR TI 250 In Stock

Description and Introduction

Dual Differential Line Driver The SN75ALS191PSR is a 4-bit synchronous up/down binary counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Synchronous Up/Down Binary Counter  
- **Number of Bits:** 4  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** SOIC-16  
- **Mounting Type:** Surface Mount  
- **Output Type:** Tri-State  
- **Clock Frequency:** Up to 25MHz (typical)  
- **Propagation Delay:** 15ns (typical)  

### **Descriptions:**  
The SN75ALS191PSR is a high-speed, synchronous 4-bit up/down counter with a parallel load feature. It operates in binary counting mode and includes carry/borrow outputs for cascading multiple counters.  

### **Features:**  
- Synchronous counting and loading  
- Up/Down counting control  
- Tri-state outputs for bus-oriented applications  
- Parallel load capability  
- Asynchronous master reset  
- Carry and borrow outputs for cascading  
- Low power consumption  

This device is commonly used in digital systems for counting, frequency division, and timing applications.

Application Scenarios & Design Considerations

Dual Differential Line Driver

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