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SN54S197J from TI,Texas Instruments

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SN54S197J

Manufacturer: TI

50/30/100-MHz [RESETTABLE DECADE OR BINARY COUNTERS/LATCHES

Partnumber Manufacturer Quantity Availability
SN54S197J TI 50 In Stock

Description and Introduction

50/30/100-MHz [RESETTABLE DECADE OR BINARY COUNTERS/LATCHES The SN54S197J is a high-speed synchronous counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Synchronous Counter  
- **Counter Type:** 4-Bit Binary  
- **Counting Sequence:** Up  
- **Trigger Type:** Positive Edge  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** -55°C to +125°C  
- **Package Type:** CDIP (Ceramic Dual In-Line Package)  
- **Number of Pins:** 14  
- **Propagation Delay Time:** Typically 15 ns  
- **Power Dissipation:** 150 mW (max)  

### **Descriptions:**  
The SN54S197J is a 4-bit synchronous binary counter designed for high-speed counting applications. It features synchronous operation, meaning the outputs change state simultaneously with the clock input. The device is part of the 54S series, which is characterized by military-grade reliability and extended temperature operation.  

### **Features:**  
- **Synchronous Counting:** All flip-flops are clocked simultaneously.  
- **High-Speed Operation:** Fast propagation delay for performance-critical applications.  
- **Wide Operating Voltage:** Compatible with standard TTL logic levels.  
- **Military Temperature Range:** Suitable for harsh environments.  
- **Direct Clear Input:** Allows resetting the counter to zero asynchronously.  
- **Parallel Load Capability:** Enables preset loading of data.  

This device is commonly used in digital systems requiring precise timing and counting operations, such as frequency dividers, event counters, and control logic.

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