MM74HC574WM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, Octal D-Type, Positive-Edge Triggered, 3-State Output
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The MM74HC574WM is a high-speed octal D-type flip-flop with 3-state outputs. It is designed to store and transfer data in various applications.
• Packaging/Quantity: The MM74HC574WM is available in a surface-mount package and is typically sold in reels or tubes.

Specifications

The MM74HC574WM has the following specifications:

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Voltage: Vcc - 0.1V
• Low-Level Output Voltage: 0.1V
• Maximum Clock Frequency: 25MHz
• Maximum Propagation Delay: 14ns
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MM74HC574WM has a total of 20 pins, which are arranged as follows:

+---+--+---+ Q0 |1 +--+ 20| Vcc Q1 |2 19| Q7 Q2 |3 18| GND Q3 |4 17| D7 Q4 |5 16| D6 Q5 |6 15| D5 Q6 |7 14| D4 GND |8 13| D3 D0 |9 12| D2 D1 |10 11| D1 +--------+

Functional Features

• High-Speed Operation: The MM74HC574WM is designed for high-speed applications, allowing for efficient data storage and transfer.
• Octal D-Type Flip-Flop: It has eight individual flip-flops that can store and output data independently.
• Positive-Edge Triggered: The flip-flops are triggered by the rising edge of the clock signal.
• 3-State Output: The outputs of the flip-flops can be put into a high-impedance state, allowing for bus sharing and reducing conflicts.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing. - Octal design provides flexibility in storing and transferring multiple data bits. - Positive-edge triggering ensures accurate synchronization with the clock signal. - 3-state output allows for efficient bus sharing.

Disadvantages: - Limited voltage range (2V to 6V) may restrict compatibility with certain systems. - Maximum propagation delay of 14ns may introduce timing constraints in some applications.

Working Principles

The MM74HC574WM operates based on the principles of flip-flops. When the clock signal rises, the input data is latched and stored in the flip-flops. The stored data can then be accessed and outputted as required. The 3-state output feature allows the outputs to be disabled, effectively disconnecting them from the bus when not needed.

Detailed Application Field Plans

The MM74HC574WM finds applications in various fields, including:

1. Data Storage Systems: Used to store and transfer data in memory units, such as RAM or cache.
2. Communication Systems: Enables data buffering and synchronization in networking devices.
3. Industrial Automation: Facilitates control and monitoring of processes by storing and transferring signals.
4. Automotive Electronics: Utilized in vehicle control units for data processing and storage.
5. Consumer Electronics: Integrated into devices like smartphones, tablets, and gaming consoles for efficient data handling.

Detailed and Complete Alternative Models

1. SN74HC574N: Similar octal D-type flip-flop with 3-state outputs, offered in a DIP (Dual In-Line Package) format.
2. CD74HC574E: Octal D-type flip-flop with 3-state outputs, available in a PDIP (Plastic Dual In-Line Package).
3. MC74HC574ADWG: High-speed octal flip-flop with 3-state outputs, provided in a SOIC-20W package.

These alternative models offer similar functionality to the MM74HC574WM and can be considered as replacements based on specific requirements.

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