SN74LV574APWG4

Product Overview

Category

SN74LV574APWG4 belongs to the category of integrated circuits (ICs).

Use

It is commonly used as an octal D-type flip-flop with 3-state outputs.

Characteristics

• Low-voltage operation: The SN74LV574APWG4 operates at a low voltage range of 2.0V to 5.5V.
• High-speed performance: It has a maximum clock frequency of 125 MHz, making it suitable for high-speed applications.
• 3-state outputs: The device features 3-state outputs, allowing multiple devices to be connected together without bus contention issues.
• Schmitt-trigger inputs: The inputs are equipped with Schmitt-trigger circuitry, providing hysteresis and improving noise immunity.

Package and Quantity

The SN74LV574APWG4 is available in a TSSOP (Thin Shrink Small Outline Package) package. It comes in a reel packaging with a quantity of 2000 units per reel.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Maximum Clock Frequency: 125 MHz
• Number of Flip-Flops: 8
• Output Type: 3-state
• Input Type: Schmitt-trigger
• Package Type: TSSOP
• Package Dimensions: 6.5mm x 4.4mm
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SN74LV574APWG4 has a total of 20 pins. The pin configuration is as follows:

+---+--+---+ Q1 --|1 +--+ 20|-- VCC Q2 --|2 19|-- D1 Q3 --|3 18|-- D2 Q4 --|4 17|-- D3 Q5 --|5 16|-- D4 Q6 --|6 15|-- D5 Q7 --|7 14|-- D6 Q8 --|8 13|-- D7 GND --|9 12|-- D8 CP --|10 11|-- OE# +----------+

Functional Features

• Octal D-type flip-flop: The SN74LV574APWG4 consists of eight individual D-type flip-flops, allowing for parallel data storage and retrieval.
• 3-state outputs: The device offers 3-state outputs, enabling the outputs to be disabled or placed in a high-impedance state when not needed.
• Clock input: The CP (Clock Pulse) input controls the timing of the flip-flop operation.
• Output enable input: The OE# (Output Enable) input allows the outputs to be enabled or disabled.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it suitable for battery-powered applications.
• High-speed performance enables it to handle fast data rates.
• 3-state outputs allow for easy bus sharing and interfacing with other devices.
• Schmitt-trigger inputs enhance noise immunity.

Disadvantages

• Limited number of flip-flops (8) compared to larger ICs available in the market.
• TSSOP package may require careful handling during assembly due to its small size.

Working Principles

The SN74LV574APWG4 operates based on the principles of D-type flip-flops. Each flip-flop stores one bit of data and is controlled by a clock signal. When the clock signal transitions from low to high, the input data is transferred to the output. The 3-state outputs allow multiple devices to be connected together without causing conflicts on the shared bus.

Detailed Application Field Plans

The SN74LV574APWG4 is widely used in various applications, including:

1. Microcontrollers: It can be utilized for data storage and retrieval in microcontroller-based systems.
2. Communication systems: The device is suitable for buffering and latching data in communication interfaces.
3. Data acquisition systems: It can be employed for parallel data storage in data acquisition modules.
4. Industrial automation: The SN74LV574APWG4 finds application in control systems and PLCs (Programmable Logic Controllers).
5. Automotive electronics: It can be used in automotive applications such as dashboard displays and sensor interfacing.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74LV574APWG4 include:

1. 74HC574: This IC operates at a higher voltage range of 2.0V to 6.0V and is available in various package options.
2. CD74HCT574: It is a high-speed CMOS logic IC with TTL-compatible inputs and outputs.
3. MC74ACT