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SN74LS190N from MOTOROLA

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SN74LS190N

Manufacturer: MOTOROLA

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

Partnumber Manufacturer Quantity Availability
SN74LS190N MOTOROLA 5 In Stock

Description and Introduction

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS The SN74LS190N is a synchronous up/down decade counter manufactured by **MOTOROLA**.  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Counter Type:** Synchronous 4-bit up/down decade counter  
- **Operating Voltage:** 4.75V to 5.25V (TTL compatible)  
- **Maximum Clock Frequency:** 30 MHz  
- **Counting Sequence:** BCD (Binary-Coded Decimal)  
- **Load and Count Enable Inputs:** Parallel load capability for presetting the counter  
- **Output Type:** Standard TTL outputs  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 16-pin DIP (Dual In-line Package)  

### **Descriptions and Features:**  
- **Synchronous Operation:** Clocked counting for precise timing control.  
- **Up/Down Counting:** Selectable via a control input.  
- **Parallel Load:** Allows presetting the counter to a desired value.  
- **Ripple Clock Output (RCO):** Provides a carry/borrow signal for cascading multiple counters.  
- **Low Power Consumption:** Typical of LS series logic.  
- **Applications:** Frequency division, event counting, digital clocks, and sequential logic circuits.  

This device is part of the **74LS** series, known for its balance of speed and power efficiency.  

*(Source: MOTOROLA datasheet for SN74LS190N.)*

Application Scenarios & Design Considerations

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

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