74LVC544ADB,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage CMOS Octal D-Type Flip-Flop with 3-State Outputs
• Package: TSSOP-20
• Essence: This IC is designed to shift logic levels between different voltage domains, allowing seamless communication between devices operating at different voltage levels.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• 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 74LVC544ADB,118 IC has a total of 20 pins. The pin configuration is as follows:

+---+--+---+ OE1 |1 +--+ 20| VCC I/O1|2 19| I/O8 CP1|3 18| GND GND |4 17| I/O7 I/O2|5 16| CP2 I/O3|6 15| I/O6 I/O4|7 14| GND I/O5|8 13| I/O9 GND |9 12| OE2 VCC |10 11| I/O10 +----------+

Functional Features

• Logic Level Shifting: The IC allows for bidirectional voltage level shifting between different voltage domains.
• 3-State Outputs: The outputs can be put into a high-impedance state, enabling multiple devices to share the same bus without interference.
• Low Power Consumption: The IC operates at low voltage levels and consumes minimal power.
• High-Speed Operation: Capable of operating at frequencies up to 100 MHz, making it suitable for high-speed applications.

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels. - Supports bidirectional level shifting. - Low power consumption. - High-speed operation.

Disadvantages: - Limited number of flip-flops (8 in total). - May require additional components for proper voltage translation in complex systems.

Working Principles

The 74LVC544ADB,118 is based on CMOS technology and uses a combination of MOSFETs to perform logic level shifting. It operates by detecting the input voltage levels and translating them to the desired output voltage levels based on the supply voltage range specified. The 3-state outputs allow for bus sharing among multiple devices without causing conflicts.

Detailed Application Field Plans

The 74LVC544ADB,118 is commonly used in various applications where there is a need to interface devices operating at different voltage levels. Some of the typical application fields include: - Microcontroller interfacing with different voltage peripherals. - Communication systems involving multiple voltage domains. - Data acquisition systems with mixed voltage sensors. - Industrial automation and control systems.

Detailed and Complete Alternative Models

• 74LVC541A: Octal Buffer/Line Driver with 3-State Outputs
• 74LVC573A: Octal D-Type Transparent Latch with 3-State Outputs
• 74LVC244A: Octal Buffer/Line Driver with 3-State Outputs
• 74LVC125A: Quad Buffer/Line Driver with 3-State Outputs

These alternative models offer similar functionality and can be used as substitutes for the 74LVC544ADB,118 depending on specific requirements.

Word count: 431 words