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SN74LS197N from MOT,Motorola

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SN74LS197N

Manufacturer: MOT

4-STAGE PRESETTABLE RIPPLE COUNTERS

Partnumber Manufacturer Quantity Availability
SN74LS197N MOT 298 In Stock

Description and Introduction

4-STAGE PRESETTABLE RIPPLE COUNTERS The SN74LS197N is a 4-bit binary counter manufactured by **MOT (Motorola)**.  

### **Specifications:**  
- **Type:** 4-bit binary counter  
- **Logic Family:** LS (Low-Power Schottky)  
- **Supply Voltage (Vcc):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 14-pin DIP (Dual In-line Package)  
- **Count Modes:** Asynchronous reset, synchronous load  
- **Maximum Clock Frequency:** ~30 MHz (typical)  
- **Output Current (High/Low):** -0.4mA / 8mA  

### **Descriptions and Features:**  
- **4-bit binary counter** with **asynchronous clear** and **parallel load** capability.  
- **Synchronous counting** when the load input is inactive.  
- **Asynchronous reset** (clear) function overrides all other inputs.  
- **Parallel load** allows preset values to be loaded into the counter.  
- **Schottky-clamped** for high performance.  
- **Low power consumption** compared to standard TTL.  
- **Applications:** Frequency division, event counting, timing circuits.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

4-STAGE PRESETTABLE RIPPLE COUNTERS

Alternative Part Number

  • DM74LS197N --: Same 74LS197 presettable decade/binary counter function in a DIP-16 package, direct pin-compatible replacement from a different series prefix.
  • 74LS197N --: Standard 74LS197 counter with identical logic and pinout, widely available and pin-compatible with the original.
  • MC74LS197N --: Equivalent 74LS197 presettable counter in DIP-16, same electrical characteristics and pinout as the source part.

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