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SNJ54HC161W from TEXAS

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SNJ54HC161W

Manufacturer: TEXAS

Synchronous 4-Bit Binary Counters

Partnumber Manufacturer Quantity Availability
SNJ54HC161W TEXAS 5 In Stock

Description and Introduction

Synchronous 4-Bit Binary Counters The SNJ54HC161W is a high-speed CMOS logic 4-bit synchronous binary counter manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Logic Family:** HC (High-Speed CMOS)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -55°C to +125°C (Military Grade)  
- **Package Type:** Flatpack (W)  
- **Number of Bits:** 4  
- **Counting Sequence:** Synchronous Binary  
- **Clock Frequency (Typical):** 36 MHz (at 4.5V)  
- **Propagation Delay:** 15 ns (Typical at 4.5V)  
- **Input/Output Compatibility:** TTL-Compatible  

### **Descriptions:**
- The SNJ54HC161W is a synchronous 4-bit binary counter with asynchronous reset functionality.  
- It features parallel load capability for preset data inputs.  
- The counter advances on the rising edge of the clock signal when enabled.  
- Designed for military and high-reliability applications due to its extended temperature range.  

### **Features:**
- **Synchronous Operation:** All flip-flops are clocked simultaneously.  
- **Asynchronous Master Reset:** Clears all outputs regardless of clock state.  
- **Parallel Load Capability:** Allows loading preset data via inputs (A, B, C, D).  
- **Carry Output:** Provides ripple carry for cascading multiple counters.  
- **Low Power Consumption:** Typical ICC of 4 µA (static).  
- **High Noise Immunity:** Standard CMOS input/output structure.  

This device is commonly used in frequency division, timing control, and digital counting applications in harsh environments.  

(Note: For exact electrical characteristics and timing diagrams, refer to the official Texas Instruments datasheet.)

Application Scenarios & Design Considerations

Synchronous 4-Bit Binary Counters

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