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SN74LS689N from TI,Texas Instruments

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SN74LS689N

Manufacturer: TI

8-BIT MAGNITUDE/IDENTITTY COMPARATORS

Partnumber Manufacturer Quantity Availability
SN74LS689N TI 97 In Stock

Description and Introduction

8-BIT MAGNITUDE/IDENTITTY COMPARATORS The SN74LS689N is a 8-bit magnitude comparator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Bits:** 8-bit  
- **Function:** Magnitude Comparator  
- **Supply Voltage Range:** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** PDIP (Plastic Dual In-Line Package)  
- **Pin Count:** 20  
- **Output Type:** Active Low / Active High  
- **Propagation Delay:** Typically 27ns (max 40ns)  
- **Power Consumption:** Low power dissipation  

### **Descriptions:**  
The SN74LS689N compares two 8-bit binary or BCD numbers and provides three outputs indicating whether the first number is greater than, equal to, or less than the second number. It is commonly used in arithmetic and control applications.  

### **Features:**  
- **Parallel Comparison:** Compares two 8-bit words (A and B)  
- **Three Output States:**  
  - **A > B** (Output High when A > B)  
  - **A = B** (Output High when A = B)  
  - **A < B** (Output High when A < B)  
- **Cascadable:** Multiple comparators can be cascaded for wider word comparisons  
- **TTL-Compatible Inputs and Outputs**  
- **High Noise Immunity**  
- **Standard 20-Pin DIP Package**  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

8-BIT MAGNITUDE/IDENTITTY COMPARATORS

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