74LVC573AD,112

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Octal D-type transparent latch with 3-state outputs
• Package: SO20 (Small Outline 20 pins)
• Essence: Latch
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• High-Level Input Voltage: 0.7 x VCC
• Low-Level Input Voltage: 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC
• Low-Level Output Voltage: 0.1 x VCC
• Maximum Operating Frequency: 100 MHz
• Propagation Delay: 4.5 ns (typical)

Detailed Pin Configuration

The 74LVC573AD,112 has a total of 20 pins. The pin configuration is as follows:

1. GND - Ground
2. D0 - Data Input 0
3. D1 - Data Input 1
4. D2 - Data Input 2
5. D3 - Data Input 3
6. D4 - Data Input 4
7. D5 - Data Input 5
8. D6 - Data Input 6
9. D7 - Data Input 7
10. OE - Output Enable
11. LE - Latch Enable
12. Q0 - Output 0
13. Q1 - Output 1
14. Q2 - Output 2
15. Q3 - Output 3
16. Q4 - Output 4
17. Q5 - Output 5
18. Q6 - Output 6
19. Q7 - Output 7
20. VCC - Power Supply

Functional Features

The 74LVC573AD,112 is an octal D-type transparent latch with 3-state outputs. It features a latch enable (LE) input and an output enable (OE) input, allowing for control over the latching and output states. The latch is transparent when the latch enable input is high, allowing data to pass through to the outputs. When the latch enable input is low, the outputs are latched and hold their previous state. The output enable input controls whether the outputs are in a high-impedance state or actively driving the output signals.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide supply voltage range - 3-state outputs allow for bus sharing

Disadvantages: - Limited number of inputs and outputs - Not suitable for applications requiring a large number of latches

Working Principles

The 74LVC573AD,112 operates based on the principles of digital logic. When the latch enable (LE) input is high, the latch is transparent, and the data inputs are passed through to the outputs. When the latch enable input is low, the latch holds its previous state, and the outputs remain unchanged. The output enable (OE) input controls whether the outputs are actively driving the output signals or in a high-impedance state.

Detailed Application Field Plans

The 74LVC573AD,112 is commonly used in various digital systems where multiple bits of data need to be stored and controlled. Some application field plans include:

1. Microcontrollers: Used for interfacing with external devices, such as sensors or displays.
2. Data Communication Systems: Used for buffering and controlling data transmission between different components.
3. Memory Systems: Used for address decoding and data storage in memory modules.
4. Industrial Automation: Used for controlling and monitoring various processes in industrial systems.

Detailed and Complete Alternative Models

Some alternative models to the 74LVC573AD,112 include:

1. 74HC573: Similar octal D-type transparent latch with 3-state outputs, but operates at a higher voltage range.
2. SN74LVCH573A: Octal transparent latch with 3-state outputs, compatible with both 3.3V and 5V systems.
3. CD74HCT573: Octal transparent latch with 3-state outputs, designed for high-speed operation.

These alternative models offer similar functionality but may have differences in voltage range, speed, or compatibility with different systems.

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