74LVQ574MTR

Product Overview

Category

The 74LVQ574MTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for data storage and transfer in digital systems.

Characteristics

• Low-voltage operation: The 74LVQ574MTR operates at a low voltage, typically between 1.65V and 3.6V.
• High-speed performance: It offers fast data transfer rates, making it suitable for applications requiring quick processing.
• Durable package: The IC is housed in a small outline transistor (SOT) package, which provides protection and ease of handling.
• Enhanced noise immunity: It features improved noise rejection capabilities, ensuring reliable data transmission even in noisy environments.

Package and Quantity

The 74LVQ574MTR is available in a surface-mount SOT-20 package. Each reel contains 2500 units.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input/Output Compatibility: TTL, CMOS
• Number of Flip-Flops: 8
• Maximum Clock Frequency: 200 MHz
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24mA

Pin Configuration

The pin configuration of the 74LVQ574MTR is as follows:

┌───┐ Q0 ─│1 20│─ VCC Q1 ─│2 19│─ D0 Q2 ─│3 18│─ D1 Q3 ─│4 17│─ D2 Q4 ─│5 16│─ D3 Q5 ─│6 15│─ D4 Q6 ─│7 14│─ D5 Q7 ─│8 13│─ D6 GND ─│9 12│─ D7 CLK ─│10 11│─ OE# └───┘

Functional Features

The 74LVQ574MTR is an octal D-type flip-flop with a transparent latch. Its key features include:

• Transparent Latch: The IC allows data to pass through when the latch enable (LE) input is high, enabling real-time data transfer.
• Edge-Triggered Flip-Flops: The flip-flops store data on the rising edge of the clock signal, ensuring synchronized and reliable data storage.
• Output Enable Control: The output enable (OE#) input enables or disables the outputs, providing flexibility in controlling data flow.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it suitable for battery-powered devices.
• High-speed performance enables efficient data processing.
• Enhanced noise immunity ensures reliable data transmission.
• Small package size facilitates space-constrained designs.

Disadvantages

• Limited output drive capability may not be suitable for driving heavy loads.
• Restricted operating temperature range may limit its use in extreme environments.

Working Principles

The 74LVQ574MTR operates based on the principles of digital logic. It utilizes flip-flops to store and transfer data. When the latch enable (LE) input is high, the IC acts as a transparent latch, allowing data to pass through from the inputs to the outputs. On the rising edge of the clock signal, the flip-flops capture the data, storing it until the next clock cycle. The output enable (OE#) input controls whether the stored data is presented at the outputs.

Application Field Plans

The 74LVQ574MTR finds applications in various digital systems, including:

1. Microcontrollers: Used for data storage and transfer between the microcontroller and external devices.
2. Communication Systems: Facilitates data transmission and reception in communication protocols.
3. Memory Modules: Enables efficient data storage and retrieval in memory modules.
4. Industrial Automation: Supports data processing and control in industrial automation systems.
5. Consumer Electronics: Used in devices such as smartphones, tablets, and gaming consoles for data handling.

Alternative Models

• 74HC574: Similar octal D-type flip-flop with a latch, but operates at a higher voltage range (2V to 6V).
• SN74LVC574A: Octal edge-triggered D-type flip-flop with a transparent latch, offering lower power consumption.

These alternative models provide similar functionality and can be considered as substitutes for the 74LVQ574MTR based on specific requirements.

In conclusion, the 74LVQ574MTR is a versatile IC that offers low-voltage operation, high-speed performance, and enhanced noise immunity. Its transparent latch, edge-triggered flip-flops