MC74HCT374AFELG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, CMOS Logic, Octal D-Type, Positive-Edge Triggered Flip-Flop
• Package: 20-TSSOP (Thin Shrink Small Outline Package)
• Essence: The MC74HCT374AFELG is a high-speed CMOS logic flip-flop integrated circuit. It consists of eight D-type flip-flops with 3-state outputs, designed for general-purpose storage applications.
• Packaging/Quantity: The MC74HCT374AFELG is typically sold in reels or tubes and comes in a quantity of 2500 units per reel.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HCT
• Number of Flip-Flops: 8
• Trigger Type: Positive-Edge
• Output Type: 3-State
• Propagation Delay: 14 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74HCT374AFELG has a 20-pin TSSOP package with the following pin configuration:

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

Functional Features

• High-speed operation allows for efficient data storage and retrieval.
• CMOS logic ensures low power consumption and compatibility with a wide range of devices.
• Octal D-Type flip-flops provide eight independent storage elements in a single package.
• Positive-edge triggering enables synchronized data transfer on the rising edge of the clock pulse.
• 3-state outputs allow for bus-oriented applications, enabling multiple devices to share a common data bus.

Advantages and Disadvantages

Advantages: - High-speed operation facilitates fast data processing. - Low power consumption makes it suitable for battery-powered devices. - Compact package size saves board space. - 3-state outputs enable efficient bus sharing.

Disadvantages: - Limited number of flip-flops (8) may not be sufficient for complex applications requiring more storage elements. - Positive-edge triggering restricts the timing of data transfers.

Working Principles

The MC74HCT374AFELG operates based on the principles of D-type flip-flops. Each flip-flop stores a single bit of data, which can be either a logic high or a logic low. The data input (D) determines the state of the flip-flop, while the clock pulse (CP) triggers the transfer of data from the input to the output. The output enable (OE) input controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The MC74HCT374AFELG is commonly used in various digital systems and applications, including:

1. Microcontrollers and microprocessors
2. Data storage devices
3. Communication systems
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Its ability to store and transfer data efficiently makes it suitable for applications that require sequential logic and data synchronization.

Detailed and Complete Alternative Models

1. SN74HCT374N: Similar octal D-type flip-flop IC with 3-state outputs, offered by Texas Instruments.
2. CD74HCT374E: Octal D-type flip-flop IC with 3-state outputs, available from Texas Instruments.
3. 74HC374: Octal D-type flip-flop IC with non-inverted outputs, manufactured by various semiconductor companies.

These alternative models provide similar functionality and can be used as substitutes for the MC74HCT374AFELG in various applications.

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