MM74HC573WM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and transfer
• Characteristics: High-speed, octal transparent latch with 3-state outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The MM74HC573WM is a latch that can store and transfer data in digital systems. It has eight inputs and outputs, allowing for efficient data handling.
• Packaging/Quantity: The MM74HC573WM is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to Vcc
• Output Voltage: 0V to Vcc
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 13 ns (typical)
• Output Current: ±25 mA

Pin Configuration

The MM74HC573WM has a total of 20 pins, which are arranged as follows:

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

Functional Features

• The MM74HC573WM is a latch that can store and transfer data in digital systems.
• It has eight inputs (D0-D7) and outputs (Q0-Q7), allowing for efficient data handling.
• The latch is transparent when the latch enable (LE) input is high, meaning the inputs are directly transferred to the outputs.
• When the output enable (OE) input is low, the outputs are in a high-impedance state, allowing for multiple devices to be connected together.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Octal configuration provides flexibility in digital system design.
• 3-state outputs enable easy connection with other devices.

Disadvantages

• Limited voltage range (2V to 6V) may not be suitable for all applications.
• Propagation delay of 13 ns may impact timing-sensitive systems.

Working Principles

The MM74HC573WM operates based on the principles of latch-based storage and transfer. When the latch enable (LE) input is high, the latch becomes transparent, allowing the inputs to pass through to the outputs. This enables data storage and transfer within a digital system. The output enable (OE) input controls the state of the outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The MM74HC573WM is commonly used in various digital systems, including:

1. Microcontrollers and microprocessors
2. Memory modules
3. Communication systems
4. Data acquisition systems
5. Industrial automation

Its ability to store and transfer data efficiently makes it suitable for applications that require reliable data handling.

Detailed and Complete Alternative Models

1. SN74HC573N: Similar latch with DIP (Dual In-line Package) packaging.
2. CD74HC573E: Octal transparent latch with extended temperature range.
3. 74HCT573: Latch with TTL (Transistor-Transistor Logic) compatibility.

These alternative models offer similar functionality and can be used as replacements for the MM74HC573WM in various applications.

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