MC74VHC244DT

Overview

Category: Integrated Circuit (IC)

Use: Buffer/Line Driver

Characteristics: - High-speed CMOS technology - Low power consumption - Wide operating voltage range - Schmitt trigger inputs for noise immunity - 3-state outputs for bus-oriented applications

Package: SOIC-20

Essence: The MC74VHC244DT is a high-performance buffer/line driver IC that provides non-inverting, 3-state outputs. It is designed using high-speed CMOS technology, making it suitable for various applications requiring signal buffering and driving capabilities.

Packaging/Quantity: The MC74VHC244DT is available in a Small Outline Integrated Circuit (SOIC) package with 20 pins. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200MHz
• Propagation Delay: 4.5ns (typical)
• Output Drive Capability: ±8mA

Pin Configuration

The MC74VHC244DT has a total of 20 pins arranged as follows:

__ __ A1 |1 \__/ 20| VCC A2 |2 19| B1 A3 |3 18| B2 A4 |4 17| B3 A5 |5 16| B4 A6 |6 15| B5 A7 |7 14| B6 A8 |8 13| B7 GND |9 12| B8 OE |10 11| GND ----------

Functional Features

• Non-inverting buffer/line driver with 3-state outputs
• High-speed operation suitable for bus-oriented applications
• Schmitt trigger inputs provide noise immunity
• Wide operating voltage range allows compatibility with various systems
• Low power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages: - High-speed CMOS technology enables fast signal processing - Wide operating voltage range increases versatility - Schmitt trigger inputs enhance noise immunity - 3-state outputs facilitate bus-oriented applications - Low power consumption for energy efficiency

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Propagation delay of 4.5ns (typical) may impact timing-sensitive designs

Working Principles

The MC74VHC244DT operates as a non-inverting buffer/line driver. It receives input signals and amplifies them to provide corresponding output signals. The 3-state outputs allow multiple devices to share a common bus, enabling efficient communication between different components in a system.

Detailed Application Field Plans

The MC74VHC244DT is commonly used in various electronic systems that require signal buffering and driving capabilities. Some typical application fields include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers with other peripheral devices, such as sensors, actuators, and displays.

2. Data Communication: It is suitable for buffering and driving signals in data communication systems, including UART, SPI, and I2C interfaces.

3. Memory Systems: The IC can be employed in memory systems to amplify and drive address and data signals.

4. Industrial Automation: It finds applications in industrial automation systems for signal conditioning and driving purposes.

Detailed and Complete Alternative Models

1. SN74LV244A: This IC is a similar non-inverting buffer/line driver with 3-state outputs. It operates at a lower voltage range of 1.65V to 5.5V.

2. CD74HCT244: This IC is a high-speed CMOS buffer/line driver with 3-state outputs. It operates at a wider voltage range of 4.5V to 5.5V.

3. 74HC244: This IC is a general-purpose non-inverting buffer/line driver with 3-state outputs. It operates at a voltage range of 2.0V to 6.0V.

4. SN74LVC244A: This IC is a low-voltage buffer/line driver with 3-state outputs. It operates at a voltage range of 1.65V to 5.5V.

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the MC74VHC244DT is a high-performance buffer/line driver IC that provides non-inverting, 3-state outputs. With its high-speed CMOS technology, wide operating