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SN74ALS677ANT from TI,Texas Instruments

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SN74ALS677ANT

Manufacturer: TI

16-Bit Address Comparators 24-PDIP 0 to 70

Partnumber Manufacturer Quantity Availability
SN74ALS677ANT TI 12 In Stock

Description and Introduction

16-Bit Address Comparators 24-PDIP 0 to 70 The SN74ALS677ANT is a 20-bit address comparator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Address Comparator  
- **Number of Bits:** 20  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** PDIP (Plastic Dual In-Line Package)  
- **Mounting Type:** Through Hole  
- **Output Type:** Active Low  
- **Propagation Delay Time:** 18ns (max)  
- **Current - Output High, Low:** 2.6mA, 24mA  

### **Descriptions and Features:**  
- The SN74ALS677ANT is a 20-bit identity comparator that compares two 20-bit words (A and B inputs).  
- It features an enable input (G) for controlling the comparison operation.  
- When enabled, the output (P=Q) goes low if all 20 input pairs match.  
- Designed for high-speed memory address decoding and other digital comparison applications.  
- Compatible with TTL (Transistor-Transistor Logic) inputs and outputs.  
- Low power consumption compared to standard ALS logic.  

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

Application Scenarios & Design Considerations

16-Bit Address Comparators 24-PDIP 0 to 70

Alternative Part Number

  • 74ALS677AN --: Same 74ALS677 identity comparator function in a DIP package from an alternate vendor, pin-compatible with the original.
  • DM74ALS677AN --: Second-source ALS677 identity comparator in DIP, functionally equivalent and drop-in compatible.
  • SN74ALS688NT --: Similar TI ALS-series identity comparator in the same DIP package; verify pinout and output polarity before substitution.

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