74LVC543AD,112

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-power, bidirectional voltage translation between different logic levels
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Voltage level shifting for digital signals
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• High-level Input Voltage (VIH): 0.7 x VCC to VCC + 0.5V
• Low-level Input Voltage (VIL): -0.5V to 0.3 x VCC
• High-level Output Voltage (VOH): 0.9 x VCC to VCC
• Low-level Output Voltage (VOL): 0V to 0.1 x VCC
• Maximum Operating Frequency: 100 MHz
• Number of Channels: 8
• Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

The 74LVC543AD,112 has a total of 20 pins, which are arranged as follows:

1. Pin 1: Output Enable (OE)
2. Pin 2: Data Input A0
3. Pin 3: Data Input A1
4. Pin 4: Data Input A2
5. Pin 5: Data Input A3
6. Pin 6: Data Input A4
7. Pin 7: Data Input A5
8. Pin 8: Data Input A6
9. Pin 9: Data Input A7
10. Pin 10: Ground (GND)
11. Pin 11: Data Output B0
12. Pin 12: Data Output B1
13. Pin 13: Data Output B2
14. Pin 14: Data Output B3
15. Pin 15: Data Output B4
16. Pin 16: Data Output B5
17. Pin 17: Data Output B6
18. Pin 18: Data Output B7
19. Pin 19: Voltage Supply (VCC)
20. Pin 20: Output Enable (OE)

Functional Features

• Bidirectional voltage translation between different logic levels
• Automatic direction sensing and control
• High-speed operation with minimal propagation delay
• Low power consumption
• Schmitt-trigger action on all inputs for improved noise immunity
• ESD protection exceeding 2000V HBM per JESD22-A114 and 1000V CDM per JESD22-C101

Advantages and Disadvantages

Advantages: - Allows interfacing between devices operating at different voltage levels - Supports bidirectional communication - Fast switching speed - Low power consumption - Enhanced noise immunity

Disadvantages: - Limited maximum operating frequency compared to some other ICs - Requires careful consideration of input/output voltage levels to prevent signal distortion

Working Principles

The 74LVC543AD,112 is designed to shift the voltage levels of digital signals between different logic families. It uses a combination of level-shifting circuitry and automatic direction sensing to ensure bidirectional communication. The device operates by monitoring the voltage levels of the input signals and automatically adjusting the output voltage levels accordingly.

Detailed Application Field Plans

The 74LVC543AD,112 can be used in various applications that require voltage level shifting between different logic families. Some potential application fields include:

1. Microcontroller interfacing with different peripheral devices operating at different voltage levels.
2. Communication systems where data needs to be transmitted between devices using different logic families.
3. Industrial automation systems that require voltage translation between different control modules.

Detailed and Complete Alternative Models

1. SN74LVC543ADW - Similar functionality, different package (SOIC Wide)
2. 74LVCH543A - Higher maximum operating frequency, similar pin configuration
3. 74HCT543 - Compatible with TTL logic levels, higher power consumption

Note: This is not an exhaustive list of alternative models, and it is recommended to consult the manufacturer's datasheets for a complete list of alternatives.

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