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SN74LS90N from MOT,Motorola

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SN74LS90N

Manufacturer: MOT

DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER

Partnumber Manufacturer Quantity Availability
SN74LS90N MOT 30 In Stock

Description and Introduction

DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER The SN74LS90N is a decade counter manufactured by **MOT (Motorola)**.  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Function:** Decade Counter (Divide-by-2 and Divide-by-5)  
- **Number of Bits:** 4-bit (BCD output)  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package Type:** PDIP-14 (Plastic Dual In-Line Package)  
- **Propagation Delay:** Typically 30ns  
- **Output Current (High/Low):** -0.4mA / 8mA  

### **Descriptions:**  
- The SN74LS90N is a **4-bit ripple decade counter** with separate divide-by-2 and divide-by-5 sections.  
- It can be configured as a **modulo-10 (BCD) counter** or a **modulo-5 counter** depending on the clock input connections.  
- Includes **asynchronous master reset (MR1, MR2)** for clearing the count to zero.  

### **Features:**  
- **Independent Divide-by-2 and Divide-by-5 Counters**  
- **Asynchronous Reset** for clearing the counter  
- **TTL-Compatible Inputs and Outputs**  
- **Low Power Consumption** (typical 45mW)  
- **Wide Operating Voltage Range** (4.75V to 5.25V)  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER

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