74LVC543ABQ,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Level Shifter
• Characteristics: Low Voltage CMOS Octal D-Type Flip-Flop with 3-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to shift logic levels between different voltage domains in digital systems.
• Packaging/Quantity: The 74LVC543ABQ,118 is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 0.7 x VCC
• Low-Level Input Voltage: 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC
• Low-Level Output Voltage: 0.1 x VCC
• Maximum Operating Frequency: 100 MHz
• Number of Flip-Flops: 8
• Output Type: 3-State

Detailed Pin Configuration

The 74LVC543ABQ,118 has a total of 20 pins. Here is the detailed pin configuration:

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 Each Flip-Flop
4. Q0-Q7 (Outputs) - Outputs for Each Flip-Flop
5. GND (Ground) - Ground Reference
6. VCC (Supply Voltage) - Positive Power Supply

Functional Features

• Level Shifting: The IC allows for shifting logic levels between different voltage domains, enabling communication between devices operating at different voltage levels.
• 3-State Outputs: The 74LVC543ABQ,118 features 3-state outputs, which allow the outputs to be in a high-impedance state when not enabled.
• Edge-Triggered Flip-Flops: The IC utilizes edge-triggered D-type flip-flops for reliable and synchronized data storage.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - 3-state outputs provide flexibility in bus sharing applications. - High-speed operation supports fast data transfer rates.

Disadvantages: - Limited maximum operating frequency compared to some other ICs. - TSSOP package may require careful handling during assembly.

Working Principles

The 74LVC543ABQ,118 operates by receiving data inputs on the D0-D7 pins. The clock pulse (CP) input triggers the edge-triggered flip-flops, capturing the data and storing it in the corresponding flip-flop. The stored data is then available at the Q0-Q7 output pins. The output enable (OE) pin controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74LVC543ABQ,118 can be used in various digital systems where logic level shifting is required. Some application fields include: - Communication Interfaces: It can be used to interface devices operating at different voltage levels, such as UART, SPI, or I2C interfaces. - Microcontroller Systems: It enables communication between microcontrollers operating at different voltage domains. - Memory Systems: It can be utilized in memory modules to interface with different voltage memory chips.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LVC543ABQ,118 include: - SN74LVC543A: This IC from Texas Instruments offers octal D-type flip-flops with 3-state outputs and operates within a similar voltage range. - MC74LVX543: Manufactured by ON Semiconductor, this IC also provides octal D-type flip-flops with 3-state outputs and supports a wide supply voltage range.

(Note: The above information is for illustrative purposes only. Please refer to the respective datasheets for accurate specifications and details of alternative models.)

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