M74HCT374B1R

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, CMOS technology
• Package: 20-pin SOIC (Small Outline Integrated Circuit)
• Essence: D-type flip-flop with 3-state outputs
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 13 ns (max)
• Output Current: ±6 mA
• Input Capacitance: 3 pF (typ)
• Output Capacitance: 8 pF (typ)

Detailed Pin Configuration

The M74HCT374B1R has a total of 20 pins. The pin configuration is as follows:

1. CP (Clock Pulse) - Clock input for flip-flop operation.
2. D0-D7 (Data Inputs) - Data inputs for the eight flip-flops.
3. OE (Output Enable) - Enables/disables the outputs.
4. Q0-Q7 (Outputs) - Outputs of the eight flip-flops.
5. GND (Ground) - Ground reference for the IC.
6. Q7' (Complementary Output) - Complementary output of Q7.
7. MR (Master Reset) - Resets all flip-flops asynchronously.
8. VCC (Supply Voltage) - Positive supply voltage for the IC.

Functional Features

• High-speed operation due to HCT (High-Speed CMOS Technology).
• 3-state outputs allow multiple devices to share a common bus.
• Master reset function for synchronous reset of all flip-flops.
• Complementary output provides additional flexibility in circuit design.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - 3-state outputs facilitate bus sharing among multiple devices. - Master reset function allows easy synchronization of flip-flops. - Complementary output enhances circuit design flexibility.

Disadvantages: - Limited supply voltage range (4.5V to 5.5V). - Propagation delay time may affect timing-sensitive applications. - Input and output capacitance values may impact overall circuit performance.

Working Principles

The M74HCT374B1R is a D-type flip-flop with 3-state outputs. It operates based on the clock input (CP) and stores data from the eight data inputs (D0-D7) when a rising edge is detected on the clock signal. The stored data is then available at the corresponding outputs (Q0-Q7). The output enable (OE) pin controls whether the outputs are active or in a high-impedance state.

The master reset (MR) pin asynchronously resets all flip-flops when activated, regardless of the clock input. The complementary output (Q7') provides an inverted version of the Q7 output, allowing for more versatile circuit designs.

Detailed Application Field Plans

The M74HCT374B1R is commonly used in various digital systems and applications, including:

1. Microcontrollers: Used for storing and manipulating data in microcontroller-based systems.
2. Data Storage: Employed in memory systems for data storage and retrieval.
3. Communication Systems: Facilitates data transfer and synchronization in communication protocols.
4. Industrial Automation: Enables control and monitoring of industrial processes.
5. Automotive Electronics: Utilized in automotive systems for data handling and control.

Detailed and Complete Alternative Models

1. SN74HCT374 - Texas Instruments
2. CD74HCT374 - Texas Instruments
3. 74HCT374 - NXP Semiconductors
4. MC74HCT374A - ON Semiconductor
5. TC74HCT374AF - Toshiba

These alternative models offer similar functionality and can be used as replacements for the M74HCT374B1R in various applications.

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