Encyclopedia Entry: 74VHCT374AMX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Flip-Flop
• Characteristics: High-Speed, Low-Power Consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Octal D-Type Flip-Flop with 3-State Outputs
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The 74VHCT374AMX is a high-speed CMOS octal D-type flip-flop with 3-state outputs. It operates at a voltage range of 4.5V to 5.5V and provides non-inverting outputs. The flip-flop has an asynchronous clear input and features edge-triggered data inputs. It is designed for use in applications requiring high-speed, low-power consumption, and compatibility with TTL families.

Detailed Pin Configuration

The 74VHCT374AMX IC has a total of 20 pins. The pin configuration is as follows:

1. Pin 1: Output Enable (OE)
2. Pin 2: Data Input (D0)
3. Pin 3: Data Input (D1)
4. Pin 4: Data Input (D2)
5. Pin 5: Data Input (D3)
6. Pin 6: Data Input (D4)
7. Pin 7: Data Input (D5)
8. Pin 8: Data Input (D6)
9. Pin 9: Data Input (D7)
10. Pin 10: Ground (GND)
11. Pin 11: Clock Input (CLK)
12. Pin 12: Clear Input (CLR)
13. Pin 13: Output Q0
14. Pin 14: Output Q1
15. Pin 15: Output Q2
16. Pin 16: Output Q3
17. Pin 17: Output Q4
18. Pin 18: Output Q5
19. Pin 19: Output Q6
20. Pin 20: Output Q7

Functional Features

• Edge-triggered data inputs for reliable operation.
• Asynchronous clear input to reset the flip-flop.
• Non-inverting outputs for direct compatibility with other logic circuits.
• High-speed operation suitable for time-critical applications.
• Low-power consumption for energy-efficient designs.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing. - Low-power consumption reduces energy requirements. - Compatibility with TTL families enables easy integration into existing systems. - Asynchronous clear input provides flexibility in resetting the flip-flop.

Disadvantages: - Limited voltage range of 4.5V to 5.5V may restrict certain applications. - The package size (SOIC) may not be suitable for space-constrained designs.

Working Principles

The 74VHCT374AMX is based on CMOS technology, which utilizes both NMOS and PMOS transistors to achieve high-speed operation and low-power consumption. The flip-flop stores and transfers digital data using D-type latch circuits. The edge-triggered data inputs allow for synchronized data transfer, while the asynchronous clear input resets the flip-flop when necessary.

Detailed Application Field Plans

The 74VHCT374AMX is commonly used in various digital systems and applications, including: 1. Microprocessors and microcontrollers 2. Data storage devices 3. Communication systems 4. Industrial automation 5. Automotive electronics 6. Consumer electronics

Detailed and Complete Alternative Models

1. 74HC374: Similar octal D-type flip-flop with 3-state outputs, compatible with 5V systems.
2. 74LS374: Octal D-type flip-flop with non-inverting outputs, compatible with TTL logic levels.
3. CD40174: CMOS hex D-type flip-flop with 3-state outputs, operates at a wider voltage range.

These alternative models offer similar functionality and can be considered as substitutes for the 74VHCT374AMX in different applications.

Word count: 394 words