M74HCT273B1R

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, CMOS Logic, Octal D-Type Flip-Flop
• Package: 20-pin Plastic Dual In-Line Package (PDIP)
• Essence: This IC is a high-speed octal D-type flip-flop that operates on CMOS logic. It is commonly used in digital circuits for storing and transferring data.
• Packaging/Quantity: Available in reels of 2500 units or tubes of 25 units.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature: -40°C to +125°C
• Propagation Delay Time: 15ns (max)
• Output Current: ±6mA
• Input Capacitance: 3pF (typ)

Detailed Pin Configuration

The M74HCT273B1R has a total of 20 pins, which are assigned specific functions as follows:

1. CP (Clock Pulse) - Clock input pin for the flip-flop.
2. D0-D7 (Data Inputs) - Eight individual data input pins.
3. Q0-Q7 (Outputs) - Corresponding outputs for each data input.
4. GND (Ground) - Ground reference pin.
5. MR (Master Reset) - Active LOW master reset input.
6. OE (Output Enable) - Active LOW output enable input.
7. Q7' (Complementary Output) - Complementary output for Q7.
8. VCC (Supply Voltage) - Positive supply voltage pin.

Functional Features

• High-speed operation: The M74HCT273B1R is designed to operate at high speeds, making it suitable for time-critical applications.
• CMOS Logic: This IC utilizes CMOS logic technology, providing low power consumption and compatibility with other CMOS devices.
• Octal D-Type Flip-Flop: It consists of eight individual flip-flops, allowing simultaneous storage and transfer of data on each clock pulse.
• Master Reset and Output Enable: The master reset input allows for clearing all flip-flops simultaneously, while the output enable input controls the activation of the outputs.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low power consumption due to CMOS technology. - Octal configuration provides versatility in data handling. - Compact 20-pin package allows for easy integration into circuit designs.

Disadvantages: - Limited voltage range (4.5V to 5.5V) may restrict certain applications. - Propagation delay time may affect real-time operations in critical systems.

Working Principles

The M74HCT273B1R operates based on the principles of positive-edge-triggered D-type flip-flops. On each rising edge of the clock pulse, the data inputs (D0-D7) are sampled and transferred to the corresponding outputs (Q0-Q7). The master reset input (MR) can be used to clear all flip-flops simultaneously, while the output enable input (OE) controls the activation of the outputs.

Detailed Application Field Plans

The M74HCT273B1R finds applications in various digital systems where data storage and transfer are required. Some common application fields include:

1. Microprocessors and Microcontrollers
2. Data Communication Systems
3. Memory Units
4. Digital Signal Processing
5. Industrial Control Systems

Detailed and Complete Alternative Models

1. SN74HCT273N - Texas Instruments
2. CD74HCT273E - Texas Instruments
3. 74HCT273D - NXP Semiconductors
4. MC74HCT273AN - ON Semiconductor
5. DM74HCT273WM - Fairchild Semiconductor

These alternative models offer similar functionality and can be used as replacements for the M74HCT273B1R in various applications.

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