SN74LVTH543PWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, and low-power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Bi-directional voltage level shifting and bus transceiver functionality
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Family: LVTH
• Number of Channels: 8
• Input/Output Compatibility: TTL/CMOS
• Output Drive Capability: ±12mA
• Propagation Delay: 3.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH543PWRE4 has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. GND (Ground)
5. B2 (Data Input/Output) 2
6. A2 (Data Input/Output) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. DIR (Direction Control)
10. LE (Latch Enable)
11. D1 (Data Input/Output) 1
12. D2 (Data Input/Output) 2
13. C1 (Data Input/Output) 1
14. C2 (Data Input/Output) 2
15. GND (Ground)
16. C3 (Data Input/Output) 3
17. C4 (Data Input/Output) 4
18. D3 (Data Input/Output) 3
19. D4 (Data Input/Output) 4
20. VCC (Supply Voltage)

Functional Features

• Bi-directional voltage level shifting between two different logic families (TTL and CMOS)
• Bus transceiver functionality for bidirectional data transfer
• Output enable control for disabling the outputs
• Direction control for selecting the data flow direction
• Latch enable for capturing the input data

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-voltage operation reduces power consumption - Bi-directional functionality simplifies circuit design - Compatibility with TTL and CMOS logic families enhances versatility

Disadvantages: - Limited number of channels (8 in this case) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LVTH543PWRE4 is designed to shift voltage levels between two different logic families, namely TTL and CMOS. It operates by receiving data from one side and transmitting it to the other side bidirectionally. The direction of data flow is controlled by the DIR pin. The OE pin enables or disables the outputs, while the LE pin captures the input data.

Detailed Application Field Plans

The SN74LVTH543PWRE4 can be used in various applications, including but not limited to:

1. Level shifting between microcontrollers operating at different voltage levels
2. Interface between different logic families in mixed-signal systems
3. Data bus transceiver in communication protocols such as I2C or SPI
4. Signal conditioning in industrial automation systems
5. Buffering and level translation in automotive electronics

Detailed and Complete Alternative Models

1. SN74LVC543APW - Similar functionality with a different logic family (LVC)
2. SN74HCT543N - Higher voltage tolerance with HCT logic family
3. SN74LVTH573PW - Octal latch and transparent D-type flip-flop with similar characteristics

These alternative models offer similar features and can be considered based on specific requirements and compatibility with the existing system.

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