Encyclopedia Entry: 74VHCT574ASJX

Product Overview

Category

The 74VHCT574ASJX belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is commonly used in digital electronic systems for storing and transferring data. It is primarily employed in applications that require sequential logic operations, such as data registers, counters, and shift registers.

Characteristics

• High-speed operation: The 74VHCT574ASJX offers fast data transfer rates, making it suitable for time-critical applications.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a wide voltage range, typically between 2V and 5.5V.
• Schmitt trigger inputs: The IC incorporates Schmitt trigger inputs, which provide hysteresis and improve noise immunity.
• Output drive capability: It has a high output drive capability, allowing it to drive capacitive loads efficiently.

Package and Quantity

The 74VHCT574ASJX is available in a small-outline integrated circuit (SOIC) package. It consists of 20 pins arranged in a compact form factor. Typically, this IC is sold in reels or tubes containing multiple units, with quantities varying based on the supplier.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Output Current: ±6 mA
• Propagation Delay: 7 ns (max)

Pin Configuration

The 74VHCT574ASJX features 20 pins, each serving a specific function. Here is a detailed pin configuration:

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. OE (Output Enable)
11. CP (Clock Pulse)
12. MR (Master Reset)
13. Q0 (Output 0)
14. Q1 (Output 1)
15. Q2 (Output 2)
16. Q3 (Output 3)
17. Q4 (Output 4)
18. Q5 (Output 5)
19. Q6 (Output 6)
20. VCC (Supply Voltage)

Functional Features

The 74VHCT574ASJX offers the following functional features: - Data storage: It can store data on its eight input pins and retain it until a clock pulse triggers the transfer to the output pins. - Output enable control: The OE pin allows the user to enable or disable the outputs, providing flexibility in controlling data flow. - Master reset capability: The MR pin resets all flip-flops to their initial state when activated, ensuring a known starting point.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low power consumption makes it suitable for battery-powered devices. - Wide operating voltage range provides compatibility with various systems. - Schmitt trigger inputs enhance noise immunity. - Compact package size facilitates integration into space-constrained designs.

Disadvantages: - Limited number of flip-flops (eight in this case) may restrict certain applications requiring more storage capacity. - Propagation delay of 7 ns (maximum) may introduce timing constraints in high-speed applications.

Working Principles

The 74VHCT574ASJX operates based on the principles of positive-edge-triggered D-type flip-flops. It stores data on its input pins and transfers it to the output pins upon receiving a clock pulse. The output enable pin allows control over when the stored data is visible at the outputs. The master reset pin resets all flip-flops to their initial state, ensuring predictable behavior.

Application Field Plans

The 74VHCT574ASJX finds extensive use in various digital electronic systems, including but not limited to: - Microcontrollers and microprocessors - Communication devices (routers, switches) - Data storage systems - Industrial automation equipment - Automotive electronics

Alternative Models

For those seeking alternative options, several ICs can serve similar functions to the 74VHCT574ASJX. Some notable alternatives include: - SN74HC574N by Texas Instruments - CD74HCT574E by Texas Instruments - MC74VHC574DT by ON Semiconductor

These alternatives offer comparable features and performance characteristics, providing flexibility in choosing the