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SNJ54HC273FK from TI,Texas Instruments

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SNJ54HC273FK

Manufacturer: TI

Octal D-type Flip-Flops With Clear

Partnumber Manufacturer Quantity Availability
SNJ54HC273FK TI 27 In Stock

Description and Introduction

Octal D-type Flip-Flops With Clear The SNJ54HC273FK is a high-speed CMOS octal D-type flip-flop manufactured by Texas Instruments (TI).  

**Key Specifications:**  
- **Logic Type:** D-Type Flip-Flop  
- **Number of Bits:** 8  
- **Output Type:** Non-Inverted  
- **Clock Frequency:** High-speed operation (typical propagation delay of 13 ns at 5V)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -55°C to +125°C (military-grade)  
- **Package Type:** Ceramic Flatpack (FK)  

**Features:**  
- Edge-triggered clock input  
- Common buffered clock and master reset  
- Balanced propagation delays  
- Low power consumption  
- High noise immunity  
- Fanout (over temperature range)  
  - Standard outputs: 10 LSTTL loads  
  - Bus driver outputs: 15 LSTTL loads  

**Description:**  
The SNJ54HC273FK is designed for high-reliability applications, featuring a master reset function to clear all flip-flops simultaneously. It operates over a wide voltage range and is suitable for military and aerospace applications due to its extended temperature range and rugged packaging.  

For detailed electrical characteristics and timing diagrams, refer to the official TI datasheet.

Application Scenarios & Design Considerations

Octal D-type Flip-Flops With Clear

Alternative Part Number

  • CD74HC273M --: Same HC-family octal D flip-flop with clear in a different package and naming series, functionally equivalent to the SNJ54HC273FK.
  • MC74HC273ADTR2G --: Pin-compatible HC273 octal D flip-flop from a different manufacturer and series, suitable as a drop-in logic replacement.
  • 74HC273D --: Standard 74HC273 octal D-type flip-flop with clear, widely available and electrically compatible with the original device.

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