SN74LVC543ADBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, octal D-type flip-flop with 3-state outputs
• Package: SSOP (Shrink Small Outline Package)
• Essence: Logic level shifting and data storage
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-Level Input Voltage: 0.7 x VCC to VCC
• Low-Level Input Voltage: 0V to 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC to VCC
• Low-Level Output Voltage: 0V to 0.1 x VCC
• Maximum Operating Frequency: 100 MHz
• Number of Flip-Flops: 8
• Number of Inputs/Outputs: 16

Detailed Pin Configuration

The SN74LVC543ADBR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Output Enable Control Input
2. CP (Clock Pulse) - Clock Input for Flip-Flop Operation
3. D0-D7 (Data Inputs) - Data Inputs for the Eight Flip-Flops
4. Q0-Q7 (Outputs) - Outputs from the Eight Flip-Flops
5. GND (Ground) - Ground Reference
6. VCC (Supply Voltage) - Positive Power Supply

Functional Features

• High-speed operation allows for efficient data transfer.
• Low-voltage capability makes it suitable for use in battery-powered devices.
• 3-state outputs provide flexibility in controlling the output signals.
• Octal D-type flip-flop design allows for storage and transfer of data.

Advantages

• High-speed operation enables fast data processing.
• Low-voltage capability extends battery life in portable devices.
• 3-state outputs allow for easy control of output signals.
• Octal design provides a compact solution for data storage and transfer.

Disadvantages

• Limited maximum operating frequency compared to some other ICs.
• May not be suitable for applications requiring higher voltage levels.

Working Principles

The SN74LVC543ADBR is a logic level shifter that operates by receiving input data on the D0-D7 pins. The clock pulse (CP) triggers the flip-flops, storing the input data. The stored data can then be accessed from the Q0-Q7 output pins. The output enable (OE) pin controls whether the output signals are active or in a high-impedance state.

Detailed Application Field Plans

The SN74LVC543ADBR is commonly used in various applications, including:

1. Data communication systems
2. Microcontroller interfacing
3. Memory address decoding
4. Bus drivers
5. Level shifting between different voltage domains

Detailed and Complete Alternative Models

1. SN74LVC541A - Octal Buffer/Line Driver with 3-State Outputs
2. SN74LVC573A - Octal D-Type Transparent Latch with 3-State Outputs
3. SN74LVC244A - Octal Buffer/Line Driver with 3-State Outputs

These alternative models offer similar functionality and can be considered as substitutes for the SN74LVC543ADBR in various applications.

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