74LVT244ABQ,115

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low Voltage, Tri-State Outputs
• Package: TSSOP-20
• Essence: Logic Level Shifter
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• 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: 200MHz
• Propagation Delay Time: 4.5ns (max)

Detailed Pin Configuration

The 74LVT244ABQ,115 IC has a total of 20 pins. The pin configuration is as follows:

Pin 1: GND Pin 2: A1 Pin 3: A2 Pin 4: A3 Pin 5: A4 Pin 6: A5 Pin 7: A6 Pin 8: OE# Pin 9: Y1 Pin 10: Y2 Pin 11: Y3 Pin 12: Y4 Pin 13: Y5 Pin 14: Y6 Pin 15: VCC Pin 16: B1 Pin 17: B2 Pin 18: B3 Pin 19: B4 Pin 20: B5

Functional Features

• Tri-State Outputs: The 74LVT244ABQ,115 IC has tri-state outputs, allowing the outputs to be disabled and put into a high-impedance state.
• Logic Level Shifter: It can shift logic levels from one voltage domain to another, making it suitable for interfacing between different voltage systems.
• Low Voltage Operation: The IC operates at low voltages ranging from 1.2V to 3.6V, making it compatible with various low-power applications.

Advantages and Disadvantages

Advantages: - Tri-state outputs provide flexibility in controlling the output signals. - Wide supply voltage range allows compatibility with different voltage systems. - Low power consumption due to low voltage operation. - Small package size (TSSOP-20) enables space-saving designs.

Disadvantages: - Limited maximum operating frequency compared to some other buffer ICs. - Not suitable for high-speed applications requiring very short propagation delay times.

Working Principles

The 74LVT244ABQ,115 is a buffer/line driver IC that amplifies and buffers digital signals. It consists of six non-inverting buffer gates with tri-state outputs. The inputs are compatible with both TTL and CMOS logic levels. When the output enable (OE#) pin is low, the outputs are active and follow the input signals. When OE# is high, the outputs are disabled and put into a high-impedance state.

Detailed Application Field Plans

The 74LVT244ABQ,115 IC finds applications in various fields, including: 1. Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels. 2. Data Communication Systems: It is suitable for level shifting and buffering signals in communication interfaces like UART, SPI, and I2C. 3. Battery-Powered Devices: Due to its low voltage operation and low power consumption, it is commonly used in battery-powered devices such as portable electronics and IoT devices.

Detailed and Complete Alternative Models

Some alternative models to the 74LVT244ABQ,115 IC are: - SN74LVC244A: Similar buffer/line driver IC with tri-state outputs, but operates at a wider supply voltage range of 1.65V to 5.5V. - 74HC244: Non-inverting buffer IC with tri-state outputs, compatible with CMOS logic levels, and operates at a higher maximum frequency of 60MHz.

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