SN74ACT245DWE4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter/Transceiver
• Characteristics: High-speed, non-inverting, bidirectional communication
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Transfers data between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Logic Family: ACT
• Number of Channels: 8
• Input Voltage Range: 2V to 6V
• Output Voltage Range: 2V to 6V
• Maximum Operating Frequency: 125 MHz
• Propagation Delay: 5.5 ns
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. DIR (Direction Control)
2. OE (Output Enable)
3. A1 (Data Input/Output)
4. B1 (Data Input/Output)
5. A2 (Data Input/Output)
6. B2 (Data Input/Output)
7. A3 (Data Input/Output)
8. B3 (Data Input/Output)
9. GND (Ground)
10. B4 (Data Input/Output)
11. A4 (Data Input/Output)
12. B5 (Data Input/Output)
13. A5 (Data Input/Output)
14. B6 (Data Input/Output)
15. A6 (Data Input/Output)
16. VCC (Supply Voltage)

Functional Features

• Bidirectional data transfer between two voltage domains
• Non-inverting logic levels
• High-speed operation
• 3-state outputs for bus-oriented applications
• Direction control for data flow management
• Output enable for disabling the outputs

Advantages

• Supports a wide range of input and output voltage levels
• High-speed operation allows for efficient data transfer
• Non-inverting logic levels simplify interfacing with different systems
• 3-state outputs enable bus sharing between multiple devices

Disadvantages

• Limited to 8 channels, may not be suitable for applications requiring more channels
• Requires external control signals for direction and output enable

Working Principles

The SN74ACT245DWE4 is a level shifter/transceiver integrated circuit that facilitates bidirectional communication between two voltage domains. It operates by converting the logic levels of the input data from one voltage domain to another, allowing seamless data transfer between incompatible systems.

The direction control pin (DIR) determines the data flow direction, while the output enable pin (OE) enables or disables the outputs. The device features non-inverting logic levels, ensuring compatibility with various systems.

Detailed Application Field Plans

The SN74ACT245DWE4 is commonly used in applications where data needs to be transferred between different voltage domains. Some typical application fields include:

1. Microcontroller interfacing: The IC enables communication between microcontrollers operating at different voltage levels.
2. Sensor networks: It facilitates data exchange between sensors with varying voltage requirements.
3. Industrial automation: The device is utilized in industrial control systems to interface between different subsystems.
4. Communication interfaces: It enables data transfer between devices with different voltage standards, such as UART, SPI, or I2C.

Detailed and Complete Alternative Models

1. SN74LVC245A: Low-voltage CMOS Octal Bus Transceiver
2. SN74HCT245: High-Speed CMOS Octal Bus Transceiver
3. SN74LVCH245A: Low-Voltage CMOS Octal Bus Transceiver with 3-State Outputs
4. SN74HC245: High-Speed CMOS Octal Bus Transceiver with 3-State Outputs

These alternative models offer similar functionality and can be used as substitutes for the SN74ACT245DWE4 in various applications.

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