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SN74LS163AD from TI,Texas Instruments

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SN74LS163AD

Manufacturer: TI

BCD decade counter/4-bit binary counter

Partnumber Manufacturer Quantity Availability
SN74LS163AD TI 704 In Stock

Description and Introduction

BCD decade counter/4-bit binary counter The SN74LS163AD is a synchronous 4-bit binary counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Synchronous 4-Bit Binary Counter  
- **Counting Sequence:** Up (0 to 15)  
- **Reset Type:** Synchronous (Clear)  
- **Clock Input:** Positive Edge-Triggered  
- **Operating Voltage (VCC):** 4.75V to 5.25V  
- **Maximum Clock Frequency:** 25 MHz (typical)  
- **Propagation Delay:** 24 ns (max)  
- **Output Current (High/Low):** -0.4 mA / 8 mA  
- **Package Type:** SOIC-16  
- **Operating Temperature Range:** 0°C to +70°C  

### **Descriptions:**  
The SN74LS163AD is a fully synchronous 4-bit counter with parallel load capability. It features synchronous counting and clearing, meaning all operations occur on the rising edge of the clock. It includes carry look-ahead for cascading multiple counters.  

### **Features:**  
- Synchronous operation  
- Parallel load capability  
- Synchronous clear  
- Internal carry look-ahead for cascading  
- Fully programmable (count modulus)  
- TTL-compatible inputs and outputs  

This device is commonly used in digital counting applications, frequency division, and sequential logic circuits.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

BCD decade counter/4-bit binary counter

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