SN74LVC574APW

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74LVC574APW is a high-speed octal D-type flip-flop with 3-state outputs. It is designed for use as a storage element in a wide range of digital applications.

Characteristics: - High-speed operation - Low power consumption - 3-state outputs for bus-oriented applications - Wide operating voltage range: 1.65V to 5.5V - Schmitt-trigger inputs for noise immunity - Available in TSSOP package

Package: TSSOP (Thin Shrink Small Outline Package)

Essence: The SN74LVC574APW is an essential component in digital systems where data needs to be stored and transferred efficiently. Its high-speed operation and low power consumption make it suitable for various applications.

Packaging/Quantity: The SN74LVC574APW is typically available in reels, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz

Detailed Pin Configuration

The SN74LVC574APW has a total of 20 pins. The pin configuration is as follows:

__ __ Q0 |1 \__/ 20| VCC Q1 |2 19| OE# Q2 |3 18| D7 Q3 |4 17| D6 Q4 |5 16| D5 Q5 |6 15| D4 Q6 |7 14| D3 Q7 |8 13| D2 GND |9 12| D1 CLK |10 11| D0 ‾‾ ‾‾

Functional Features

• High-speed operation: The SN74LVC574APW can operate at a clock frequency of up to 100 MHz, allowing for fast data transfer.
• 3-state outputs: The 3-state outputs enable the IC to be used in bus-oriented applications, where multiple devices can share a common data bus.
• Schmitt-trigger inputs: The Schmitt-trigger inputs provide noise immunity, ensuring reliable operation even in noisy environments.
• Low power consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - Wide operating voltage range provides flexibility in different applications. - 3-state outputs enable bus-oriented designs. - Schmitt-trigger inputs ensure noise immunity. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited number of flip-flops (8) in a single IC package. - May require additional components for certain applications.

Working Principles

The SN74LVC574APW operates as an octal D-type flip-flop. It stores data on its inputs (D0-D7) based on the clock signal (CLK). When the clock signal transitions from low to high, the input data is latched and stored in the flip-flop. The stored data is then available on the output pins (Q0-Q7).

The output enable (OE#) pin controls the 3-state outputs. When OE# is low, the outputs are enabled and can drive the connected circuitry. When OE# is high, the outputs are in a high-impedance state, effectively disconnecting them from the circuit.

Detailed Application Field Plans

The SN74LVC574APW can be used in various digital applications, including but not limited to: - Data storage and transfer in microcontrollers and microprocessors - Address decoding in memory systems - Bus-oriented designs, such as data buses in computer systems - State machine implementations - General-purpose digital logic circuits

Detailed and Complete Alternative Models

• SN74LVCH574APW: Similar to SN74LVC574APW, but with higher output drive strength.
• SN74ACT574PW: A TTL-compatible alternative with faster switching speeds.
• SN74HC574PW: A CMOS-compatible alternative with lower power consumption.

These alternative models offer similar functionality but may have different characteristics or specifications that suit specific application requirements.

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