MC74HC273ADTG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, Octal D-Type, Positive-Edge Triggered, 3-State Output
• Package: TSSOP-20
• Essence: The MC74HC273ADTG is a high-speed octal D-type flip-flop with 3-state outputs. It is designed to store and transfer data in various applications.
• Packaging/Quantity: The MC74HC273ADTG is typically sold in reels of 2500 units.

Specifications

• Logic Family: HC
• Number of Flip-Flops: 8
• Trigger Type: Positive-Edge
• Output Type: 3-State
• Operating Voltage: 2V - 6V
• Propagation Delay: 10 ns (max)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC74HC273ADTG has a TSSOP-20 package with the following pin configuration:

1. CP (Clock Pulse Input)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. GND (Ground)
11. Q0 (Flip-Flop Output 0)
12. Q1 (Flip-Flop Output 1)
13. Q2 (Flip-Flop Output 2)
14. Q3 (Flip-Flop Output 3)
15. Q4 (Flip-Flop Output 4)
16. Q5 (Flip-Flop Output 5)
17. Q6 (Flip-Flop Output 6)
18. Q7 (Flip-Flop Output 7)
19. OE (Output Enable)
20. VCC (Power Supply)

Functional Features

The MC74HC273ADTG offers the following functional features:

• High-speed operation, making it suitable for time-critical applications.
• Octal D-type flip-flop design allows for storage and transfer of data in parallel.
• Positive-edge triggering ensures reliable data capture.
• 3-state outputs provide flexibility in controlling output signals.
• Wide operating voltage range enables compatibility with various systems.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing. - Octal design provides parallel data handling capability. - Positive-edge triggering ensures accurate data capture. - 3-state outputs offer flexibility in signal control.

Disadvantages: - Limited number of flip-flops (8) may not be sufficient for complex applications. - TSSOP package may require careful handling during assembly.

Working Principles

The MC74HC273ADTG operates based on the principles of flip-flops. It stores and transfers data using positive-edge triggering. When a clock pulse is received at the CP input, the data inputs (D0-D7) are latched and stored in their respective flip-flops. The stored data can then be accessed from the corresponding output pins (Q0-Q7). The OE pin controls the output enable/disable state, allowing the outputs to be tri-stated when necessary.

Detailed Application Field Plans

The MC74HC273ADTG can be used in various applications, including but not limited to:

1. Data storage and transfer in microcontrollers and microprocessors.
2. Address decoding in memory systems.
3. State machine implementation in digital systems.
4. Parallel data handling in communication systems.
5. Control signal generation in industrial automation.

Detailed and Complete Alternative Models

1. SN74HC273N: Similar octal D-type flip-flop with 3-state outputs, offered in a DIP-20 package.
2. CD74HC273M: Octal D-type flip-flop with 3-state outputs, available in SOIC-20 package.
3. MC74HCT273ADTG: Octal D-type flip-flop with 3-state outputs, compatible with higher operating temperatures.

These alternative models provide similar functionality to the MC74HC273ADTG and can be considered based on specific requirements and availability.

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