SN74ACT244DWE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, non-inverting
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic gate with 8-bit buffer/driver functionality
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6 ns (typical)
• Output Current: ±24 mA
• Input Capacitance: 3 pF (typical)

Detailed Pin Configuration

The SN74ACT244DWE4 has a total of 20 pins, which are arranged as follows:

__ __ A1 | 1 20 | VCC B1 | 2 19 | A2 A0 | 3 18 | B2 B0 | 4 17 | GND Y0 | 5 16 | Y1 Y2 | 6 15 | A3 Y3 | 7 14 | B3 G1 | 8 13 | A4 G2 | 9 12 | B4 GND |10 11 | Y4 ‾‾ ‾‾

Functional Features

• Non-inverting buffer/driver with 3-state outputs
• High-speed operation suitable for various applications
• Low power consumption for energy-efficient designs
• 3-state outputs allow multiple devices to share a bus without interference

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low power consumption helps in reducing energy costs - 3-state outputs facilitate bus sharing among multiple devices

Disadvantages: - Limited voltage range (4.5V to 5.5V) - Relatively small input capacitance may limit certain applications

Working Principles

The SN74ACT244DWE4 is a buffer/driver IC that amplifies and controls the signals passing through it. It operates by receiving input signals on its A and B pins, which are then amplified and transmitted to the corresponding Y pins. The G1 and G2 pins control the output state of the device, allowing it to be enabled or disabled.

Detailed Application Field Plans

The SN74ACT244DWE4 is commonly used in various digital systems and communication interfaces. Some specific application fields include:

1. Microcontrollers: The IC can be used to interface microcontrollers with other peripheral devices, such as sensors, actuators, and displays.
2. Data Communication: It can be employed in data transmission systems, such as UART (Universal Asynchronous Receiver-Transmitter) interfaces, to amplify and drive signals across long distances.
3. Memory Systems: The IC can be utilized in memory modules, such as RAM (Random Access Memory) and ROM (Read-Only Memory), to enhance signal integrity during read/write operations.
4. Bus Sharing: It is suitable for bus architectures where multiple devices need to share a common data bus, enabling efficient communication between different components.

Detailed and Complete Alternative Models

1. SN74ACT244NSR: Similar specifications but in a smaller SOIC package.
2. SN74ACT244PW: Same specifications but in a TSSOP (Thin Shrink Small Outline Package) package.
3. SN74ACT244PWR: Same specifications but in a smaller TSSOP package.

These alternative models provide similar functionality and characteristics, allowing designers to choose the most suitable option for their specific requirements.

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