SN74HC574PW

Product Overview

Category

SN74HC574PW belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a flip-flop latch with 3-state outputs.

Characteristics

• High-speed operation
• Wide operating voltage range
• Low power consumption
• Schmitt-trigger inputs
• Balanced propagation delay and transition times
• 3-state outputs drive bus lines or buffer memory address registers
• Outputs can be connected directly to other TTL circuits

Package

SN74HC574PW is available in a TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of SN74HC574PW lies in its ability to store and transfer data using flip-flop latches, while also providing 3-state outputs for driving bus lines or buffering memory address registers.

Packaging/Quantity

SN74HC574PW is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 3.5pF
• Output Capacitance: 6pF
• Propagation Delay Time: 13ns (typical)
• Maximum Clock Frequency: 80MHz

Detailed Pin Configuration

SN74HC574PW consists of 20 pins, each serving a specific function:

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

Functional Features

SN74HC574PW offers the following functional features:

• 8-bit flip-flop latch with 3-state outputs
• Non-inverting outputs for direct connection to other TTL circuits
• Schmitt-trigger inputs for noise immunity
• Output enable control for tri-state operation
• High-speed operation suitable for various applications

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Wide operating voltage range provides flexibility in different applications
• Low power consumption helps conserve energy
• Schmitt-trigger inputs ensure reliable performance in noisy environments
• 3-state outputs enable easy interfacing with other devices

Disadvantages

• Limited number of output pins (8) may restrict certain applications requiring more outputs
• TSSOP package may be challenging to solder for inexperienced users

Working Principles

SN74HC574PW operates based on the principles of flip-flop latches and 3-state outputs. The flip-flop latches store and transfer data, while the 3-state outputs allow the IC to drive bus lines or buffer memory address registers. The clock pulse (CP) controls the timing of data transfer, and the output enable (OE) signal enables or disables the outputs.

Detailed Application Field Plans

SN74HC574PW finds applications in various fields, including:

1. Microcontrollers: Used for interfacing with external devices and memory modules.
2. Communication Systems: Employed in data transmission and reception circuits.
3. Industrial Automation: Utilized for controlling and monitoring processes.
4. Automotive Electronics: Integrated into vehicle control systems.
5. Consumer Electronics: Found in audio/video equipment, gaming consoles, etc.

Detailed and Complete Alternative Models

Some alternative models to SN74HC574PW include:

1. 74HC574: Similar functionality but available in different packages (DIP, SOIC, etc.).
2. CD74HC574: Equivalent IC from a different manufacturer.
3. MC74HC574: Another alternative with comparable specifications.

These alternative models can be considered based on specific requirements and availability.

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