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SN74LS290N from TI,Texas Instruments

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SN74LS290N

Manufacturer: TI

DECADE COUNTER; 4-BIT BINARY COUNTER

Partnumber Manufacturer Quantity Availability
SN74LS290N TI 236 In Stock

Description and Introduction

DECADE COUNTER; 4-BIT BINARY COUNTER The SN74LS290N is a 4-bit ripple counter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Function:** Decade Counter (Divide-by-2 and Divide-by-5)  
- **Number of Bits:** 4  
- **Supply Voltage (Vcc):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** PDIP (Plastic Dual In-Line Package)  
- **Pin Count:** 14  
- **Propagation Delay:** Typically 30ns  
- **Power Dissipation:** 45mW (typical)  

### **Descriptions:**  
The SN74LS290N is a ripple counter that can be configured as a divide-by-2 and divide-by-5 counter or combined for a decade (divide-by-10) counter. It includes master-slave flip-flops and gating to provide independent divide-by-2 and divide-by-5 functions.  

### **Features:**  
- **Independent Divide-by-2 and Divide-by-5 Sections**  
- **Asynchronous Reset (MR1, MR2)**  
- **Direct Clear Function**  
- **High Noise Immunity**  
- **TTL-Compatible Inputs and Outputs**  
- **Low Power Consumption**  

This information is based on the manufacturer's datasheet.

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