MM74HCT273N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, CMOS Logic, Octal D-Type Flip-Flop
• Package: DIP (Dual In-line Package)
• Essence: The MM74HCT273N is an octal D-type flip-flop that utilizes high-speed CMOS logic. It is designed to store and transfer data in various applications.
• Packaging/Quantity: The MM74HCT273N is typically available in a standard DIP package with a quantity of 1 unit.

Specifications

The MM74HCT273N has the following specifications:

• Supply Voltage: 2V - 6V
• Input Voltage: 0V - VCC
• Output Voltage: 0V - VCC
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 15ns (max)
• Output Current: ±25mA

Detailed Pin Configuration

The MM74HCT273N has a total of 20 pins, which are assigned as follows:

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

Functional Features

• The MM74HCT273N operates as an octal D-type flip-flop, capable of storing and transferring data.
• It has a clock pulse input (CP) that triggers the flip-flop to latch the input data (D0-D7) on the rising edge of the clock signal.
• The master reset input (MR) allows for clearing all the flip-flops simultaneously when activated.
• The outputs (Q0-Q7) reflect the stored data after each clock pulse.

Advantages and Disadvantages

Advantages: - High-speed operation due to CMOS technology. - Low power consumption. - Wide operating voltage range. - Easy integration into various digital circuits.

Disadvantages: - Limited output current capability. - Sensitive to electrostatic discharge (ESD). - Requires proper decoupling capacitors for stable operation.

Working Principles

The MM74HCT273N works based on the principles of D-type flip-flops. When the clock pulse input (CP) transitions from low to high, the flip-flop latches the input data (D0-D7) and stores it in its internal memory. The stored data is then available at the output pins (Q0-Q7). The master reset input (MR) can be used to clear all the flip-flops simultaneously, resetting them to a known state.

Detailed Application Field Plans

The MM74HCT273N can be used in various applications, including:

1. Register and counter circuits in digital systems.
2. Data storage and transfer in microcontrollers and microprocessors.
3. Address decoding and selection in memory systems.
4. Control and synchronization of multiple devices in communication systems.
5. State machine implementation in digital logic design.

Detailed and Complete Alternative Models

Some alternative models to the MM74HCT273N include:

1. SN74HCT273N by Texas Instruments
2. CD74HCT273E by Harris Corporation
3. MC74HCT273AN by ON Semiconductor
4. 74HCT273 by NXP Semiconductors

These alternative models offer similar functionality and can be used as replacements for the MM74HCT273N in various applications.

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