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SN74ALS521DW from TI,Texas Instruments

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SN74ALS521DW

Manufacturer: TI

8-Bit Identity Comparators With Open-Collector Outputs

Partnumber Manufacturer Quantity Availability
SN74ALS521DW TI 880 In Stock

Description and Introduction

8-Bit Identity Comparators With Open-Collector Outputs The SN74ALS521DW is a high-speed 8-bit identity comparator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** 8-Bit Identity/Magnitude Comparator  
- **Package:** SOIC-20 (DW)  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Propagation Delay:** Typically 12ns (max 18ns)  
- **Input Current (High):** 20μA (max)  
- **Input Current (Low):** -0.4mA (max)  
- **Output Current (High):** -2.6mA (max)  
- **Output Current (Low):** 24mA (max)  
- **Power Dissipation:** Typically 85mW  

### **Descriptions:**  
The SN74ALS521DW compares two 8-bit binary words (A and B) and provides active-low outputs indicating whether the words are equal (P=Q) or if one is greater than the other (P>Q, P

### **Features:**  
- **High-Speed Operation:** Fast propagation delay for performance-critical applications.  
- **TTL-Compatible Inputs/Outputs:** Works with standard TTL logic levels.  
- **Expandable:** Cascading inputs allow multiple comparators to be connected for wider data words.  
- **Low Power Consumption:** Optimized for power efficiency in ALS technology.  
- **Wide Operating Voltage:** Supports standard 5V logic systems.  

For exact details, refer to the official TI datasheet.

Application Scenarios & Design Considerations

8-Bit Identity Comparators With Open-Collector Outputs

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