74LVC543ABQ,115

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-power, bidirectional voltage translation between different logic levels
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level shifting functionality in a compact package
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100 MHz
• Number of Channels: 8
• Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

The 74LVC543ABQ,115 IC has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Channel 1
2. I/O1A - Channel 1 Bidirectional Data I/O
3. GND (Ground)
4. I/O1B - Channel 1 Bidirectional Data I/O
5. VCC (Supply Voltage)
6. I/O2A - Channel 2 Bidirectional Data I/O
7. GND (Ground)
8. I/O2B - Channel 2 Bidirectional Data I/O
9. OE (Output Enable) - Channel 2
10. I/O3A - Channel 3 Bidirectional Data I/O
11. GND (Ground)
12. I/O3B - Channel 3 Bidirectional Data I/O
13. VCC (Supply Voltage)
14. I/O4A - Channel 4 Bidirectional Data I/O
15. GND (Ground)
16. I/O4B - Channel 4 Bidirectional Data I/O
17. OE (Output Enable) - Channel 3
18. I/O5A - Channel 5 Bidirectional Data I/O
19. GND (Ground)
20. I/O5B - Channel 5 Bidirectional Data I/O

Functional Features

• Bidirectional voltage translation between different logic levels
• Automatic direction control
• Low power consumption
• High-speed operation
• Schmitt-trigger action on all inputs

Advantages and Disadvantages

Advantages: - Compact package size - Wide supply voltage range - High-speed operation - Automatic direction control simplifies design

Disadvantages: - Limited number of channels (8) - Not suitable for high-voltage applications

Working Principles

The 74LVC543ABQ,115 is a bidirectional voltage level shifter that allows seamless translation between different logic levels. It operates by automatically detecting the direction of data flow and adjusting the voltage levels accordingly. The IC uses a combination of MOSFETs and Schmitt-trigger inputs to achieve high-speed and reliable voltage translation.

Detailed Application Field Plans

The 74LVC543ABQ,115 is commonly used in various applications where there is a need to interface different logic level devices. Some of the typical application fields include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication systems involving multiple logic level standards
3. Data acquisition systems requiring voltage translation
4. Industrial automation and control systems
5. Consumer electronics devices

Detailed and Complete Alternative Models

1. SN74LVC543A: Similar functionality and specifications, available in different package options.
2. MC74LVC543: Equivalent logic level shifter from a different manufacturer.
3. CD74LVC543: Alternative option with similar characteristics and pin configuration.

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