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SN74ALS161BDR from TI,Texas Instruments

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SN74ALS161BDR

Manufacturer: TI

Synchronous 4-Bit Binary Counters

Partnumber Manufacturer Quantity Availability
SN74ALS161BDR TI 2450 In Stock

Description and Introduction

Synchronous 4-Bit Binary Counters The SN74ALS161BDR is a synchronous 4-bit binary counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Synchronous 4-Bit Binary Counter  
- **Count Rate:** 40 MHz (typical)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** SOIC-16  
- **Output Type:** Standard  
- **Features Parallel Load, Clear, and Ripple Carry Output**  
- **Propagation Delay Time:** 13 ns (max)  
- **Number of Bits:** 4  
- **Trigger Type:** Positive Edge  

### **Descriptions:**  
The SN74ALS161BDR is a high-speed synchronous counter with internal carry look-ahead for cascading. It features a parallel load capability, synchronous counting, and an asynchronous clear function.  

### **Features:**  
- **Synchronous Operation**  
- **Parallel Load for Preset Values**  
- **Asynchronous Master Reset (Clear)**  
- **Internal Carry Look-Ahead for High-Speed Counting**  
- **Ripple Carry Output for Cascading**  
- **Fully Programmable via Control Inputs**  
- **Low Power Consumption**  

This device is commonly used in digital counting applications, frequency dividers, and timing circuits.

Application Scenarios & Design Considerations

Synchronous 4-Bit Binary Counters

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