Overview
The SN74AVC4T774PWR is a 4-bit dual-supply bus transceiver with configurable voltage translation and 3-state outputs, manufactured by Texas Instruments. This device is designed for asynchronous communication between data buses and supports universal low-voltage bi-directional translation between various voltage nodes ranging from 1.2V to 3.6V. It features independent direction control inputs and output-enable inputs, allowing for flexible data transmission and high-impedance state control. The device is optimized for use in a wide range of applications, including personal electronics, industrial, enterprise, and telecom sectors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCCA/VCCB) | 1.1 to 3.6 | V |
| Input Voltage Range | -0.5 to 4.6 | V |
| Operating Free-Air Temperature | -40 to 85 | °C |
| ESD Ratings | ±8000V (Human-body model), ±1500V (Charged-device model), 250V (Machine model) | V |
| Data Transfer Rate | Up to 380 Mbps | Mbps |
| Package Types | TSSOP-16, VQFN-16, UQFN-16, WQFN-16, SOT-16 |
Key Features
- Independent direction control inputs (DIR) for each channel.
- Output-enable inputs (OE) for high-impedance state control.
- Configurable power-supply rails (VCCA and VCCB) supporting voltages from 1.1V to 3.6V.
- Universal low-voltage bi-directional translation between various voltage nodes.
- High data transfer rate of up to 380 Mbps.
- Multiple package options including TSSOP, VQFN, UQFN, WQFN, and SOT.
Applications
- Personal electronic devices.
- Industrial applications.
- Enterprise systems.
- Telecom equipment.
Q & A
- What is the primary function of the SN74AVC4T774PWR? The primary function is to act as a 4-bit dual-supply bus transceiver with configurable voltage translation and 3-state outputs.
- What is the voltage range supported by VCCA and VCCB? The voltage range supported is from 1.1V to 3.6V.
- What are the ESD ratings for this device? The ESD ratings are ±8000V (Human-body model), ±1500V (Charged-device model), and 250V (Machine model).
- What is the maximum data transfer rate of the SN74AVC4T774PWR? The maximum data transfer rate is up to 380 Mbps.
- What are the available package types for this device? The available package types include TSSOP-16, VQFN-16, UQFN-16, WQFN-16, and SOT-16.
- In which sectors is the SN74AVC4T774PWR commonly used? It is commonly used in personal electronics, industrial, enterprise, and telecom sectors.
- How does the direction control input (DIR) function? The DIR input controls the direction of data transmission between the A and B ports.
- What is the purpose of the output-enable input (OE)? The OE input controls whether the outputs are in a high-impedance state or active.
- What is the operating temperature range for this device? The operating temperature range is from -40°C to 85°C.
- Why is it important to keep control inputs tied to a high or low level? Keeping control inputs tied to a high or low level minimizes leakage current and prevents erroneous switching states.
