Encyclopedia Entry: 74F574PC

Product Overview

Category

The 74F574PC belongs to the category of integrated circuits (ICs), specifically a flip-flop IC.

Use

This IC is commonly used in digital electronics for storing and transferring binary data. It can be employed in various applications such as memory units, registers, and data storage systems.

Characteristics

• The 74F574PC is a high-speed, octal D-type flip-flop with a transparent latch.
• It operates on a wide voltage range, typically between 4.5V and 5.5V.
• This IC offers excellent noise immunity and low power consumption.
• It is designed to work in both commercial and industrial temperature ranges.
• The 74F574PC is compatible with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic families.

Package and Quantity

The 74F574PC is available in a 20-pin plastic dual-inline package (PDIP). It is commonly sold in reels or tubes containing multiple units, with quantities varying based on the supplier's packaging standards.

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 +85°C
• Maximum Clock Frequency: 100 MHz
• Propagation Delay Time: 6 ns (typical)

Pin Configuration

The 74F574PC has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

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

Functional Features

The 74F574PC offers the following functional features:

• Transparent latch: The IC has a transparent latch that allows data to be transferred to the outputs when the clock pulse is active.
• Octal flip-flop: It consists of eight individual D-type flip-flops, allowing simultaneous storage and transfer of eight bits of data.
• Output enable control: The OE pin enables or disables the outputs, providing flexibility in controlling data flow.
• High-speed operation: With a maximum clock frequency of 100 MHz, this IC is suitable for applications requiring fast data processing.

Advantages and Disadvantages

Advantages

• High-speed operation makes it suitable for time-critical applications.
• Wide voltage range compatibility allows for versatile integration with different systems.
• Excellent noise immunity ensures reliable data storage and transfer.
• Low power consumption contributes to energy-efficient designs.

Disadvantages

• Limited output current capacity may restrict its use in certain high-current applications.
• Availability may vary depending on the supplier and market demand.

Working Principles

The 74F574PC operates based on the principles of flip-flops and latches. When the clock pulse is active, the data inputs are transferred to the outputs. The transparent latch allows real-time data storage and transfer, ensuring accurate and synchronized information flow.

Application Field Plans

The 74F574PC finds applications in various fields, including:

1. Computer memory systems
2. Data registers
3. Microcontrollers
4. Digital signal processing
5. Communication systems
6. Industrial automation

Its versatility and compatibility with different logic families make it suitable for a wide range of digital electronics applications.

Alternative Models

Several alternative models can be considered as substitutes for the 74F574PC, depending on specific requirements and availability. Some popular alternatives include:

1. 74HC574: A CMOS-based octal D-type flip-flop with similar functionality.
2. SN74LS374: A TTL-based octal D-type flip-flop with tri-state outputs.
3. CD4013: A CMOS-based dual D-type flip-flop with complementary outputs.

These alternatives offer comparable features and can be used as drop-in replacements in many applications.

In conclusion, the 74F574PC is a versatile and high-speed octal