SN74LVC543APWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage, Bi-directional, Octal Bus Transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74LVC543APWR is a high-performance, low-voltage, octal bus transceiver designed for 3.3V to 5V voltage level shifting applications.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2.1V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: 2.4V (min) at IOH = -12mA
• Low-Level Output Voltage: 0.4V (max) at IOL = 24mA
• Maximum Operating Frequency: 80MHz
• Number of Channels: 8
• Input/Output Type: Tri-State

Detailed Pin Configuration

The SN74LVC543APWR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active Low Output Enable
2. A1 - Data Input/Output A1
3. B1 - Data Input/Output B1
4. A2 - Data Input/Output A2
5. B2 - Data Input/Output B2
6. A3 - Data Input/Output A3
7. B3 - Data Input/Output B3
8. A4 - Data Input/Output A4
9. B4 - Data Input/Output B4
10. GND (Ground)
11. B5 - Data Input/Output B5
12. A5 - Data Input/Output A5
13. B6 - Data Input/Output B6
14. A6 - Data Input/Output A6
15. B7 - Data Input/Output B7
16. A7 - Data Input/Output A7
17. B8 - Data Input/Output B8
18. A8 - Data Input/Output A8
19. VCC (Supply Voltage)
20. OE (Output Enable) - Active Low Output Enable

Functional Features

• Bi-directional data flow allows for bidirectional communication between two different voltage domains.
• 3-state outputs provide flexibility in controlling the bus lines.
• Low-voltage operation makes it suitable for use in low-power applications.
• High-speed operation enables efficient data transfer.

Advantages and Disadvantages

Advantages: - Bi-directional capability simplifies the design of systems with different voltage levels. - Low-voltage operation reduces power consumption. - High-speed operation ensures efficient data transfer.

Disadvantages: - Limited to a maximum operating frequency of 80MHz. - May require additional external components for proper voltage level shifting.

Working Principles

The SN74LVC543APWR operates by receiving data from one voltage domain and transmitting it to another voltage domain. The bi-directional feature allows for bidirectional communication, enabling data transmission in both directions. The output enable pin controls the tri-state outputs, allowing the user to control the bus lines effectively.

Detailed Application Field Plans

The SN74LVC543APWR is commonly used in various applications that require voltage level shifting, such as:

1. Communication Systems: Used to interface between different voltage levels in communication systems, ensuring compatibility between devices.
2. Industrial Automation: Enables communication between devices operating at different voltage levels in industrial automation systems.
3. Automotive Electronics: Facilitates data transfer between different voltage domains in automotive electronic systems.
4. Consumer Electronics: Used in devices that require level shifting, such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LVC245APWR: Octal Bus Transceiver with 3-state Outputs
2. SN74LVC541APWR: Octal Buffer/Driver with 3-state Outputs
3. SN74LVC573APWR: Octal D-type Flip-Flop with 3-state Outputs
4. SN74LVC594APWR: 8-Bit Shift Register with 3-state Outputs
5. SN74LVC138APWR: 3-to-8 Decoder/Demultiplexer with 3-state Outputs

These alternative models offer similar functionality and can be used as substitutes for the SN74LVC543APWR in various applications.

In conclusion, the SN74LVC543APWR is a high-performance, low-voltage octal bus transceiver designed for voltage level shifting applications. Its bi-directional capability, low-voltage