Encyclopedia Entry: 74LVC574ADTR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Level Shifter
• Characteristics: High-speed, low-power, octal D-type flip-flop with 3.3V to 5V voltage translation capability
• Package: TSSOP-20
• Essence: The 74LVC574ADTR2G is a versatile IC that facilitates level shifting between different voltage domains in digital circuits.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Input Capacitance: 4.5pF (typical)
• Output Capacitance: 6pF (typical)
• Propagation Delay: 3.8ns (typical)

Detailed Pin Configuration

The 74LVC574ADTR2G has a total of 20 pins, which are assigned specific functions as follows:

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

Functional Features

• High-speed operation: The 74LVC574ADTR2G is designed to operate at high clock frequencies, making it suitable for applications requiring fast data transfer.
• Voltage translation capability: It can shift logic levels between different voltage domains, allowing seamless communication between devices operating at different voltage levels.
• Low power consumption: The IC is optimized for low power consumption, making it ideal for battery-powered devices and energy-efficient applications.
• Octal D-type flip-flop: The IC consists of eight individual D-type flip-flops, each with its own data input and output.

Advantages and Disadvantages

Advantages: - Fast propagation delay ensures quick data transfer. - Wide supply voltage range allows compatibility with various systems. - Low power consumption extends battery life in portable devices. - Compact TSSOP-20 package saves board space.

Disadvantages: - Limited number of flip-flops (8) may not be sufficient for complex applications requiring more storage elements. - Not suitable for voltage translation beyond the specified range.

Working Principles

The 74LVC574ADTR2G operates based on the principles of digital logic. It uses D-type flip-flops to store and transfer binary data. The clock pulse input (CP) synchronizes the data transfer, while the output enable (OE) pin controls the output state. The IC's voltage translation capability is achieved through level-shifting circuitry, allowing seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74LVC574ADTR2G finds applications in various fields, including: 1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels. 2. Data communication systems: It facilitates level shifting between different logic families, such as TTL and CMOS. 3. Sensor interfaces: It allows integration of sensors operating at different voltage domains into a single system. 4. Industrial automation: It can be used for signal conditioning and interfacing in industrial control systems. 5. Consumer electronics: It enables compatibility between devices with different voltage requirements, such as smartphones and peripherals.

Detailed and Complete Alternative Models

• SN74LVC574A: Similar octal D-type flip-flop with 3.3V to 5V voltage translation capability, available in different package options.
• MC74LVX574: Octal D-type flip-flop with 2.7V to 3.6