Overview
The Texas Instruments SN74AVC4T245PWR is a 4-bit non-inverting 3-state voltage level translator. This device is part of the 74AVC logic family and is designed to facilitate bidirectional voltage translation between different voltage nodes. It supports a wide range of supply voltages from 1.2V to 3.6V, making it versatile for various low-voltage applications.
The device is packaged in a 16-pin TSSOP and is optimized for high-speed data translation, supporting data rates up to 380 Mbps. It features fully configurable dual-rail design, allowing each port to operate independently over the full 1.2V to 3.6V power-supply range.
Key Specifications
| Specification | Value |
|---|---|
| Brand | Texas Instruments |
| Logic Family | 74AVC |
| Logic Function | Translating Transceiver |
| Number of Elements per Chip | 10 |
| Number of Channels per Chip | 4 |
| Polarity | Non-Inverting |
| Package Type | TSSOP |
| Pin Count | 16 |
| Output Level | 3-State |
| Supply Voltage Range | 1.2V to 3.6V |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Fully configurable dual-rail design allowing each port to operate over the full 1.2V to 3.6V power-supply range.
- Supports high-speed data translation up to 380 Mbps.
- Ioff circuitry for partial-power-down mode operation, preventing backflow current.
- VCC isolation feature to ensure both ports are in the high-impedance state if either VCC input is at GND.
- Direction-control and output-enable inputs for flexible data transmission and output control.
- Compliant with EU RoHS and phthalates regulations.
Applications
The SN74AVC4T245PWR is ideal for level-translation applications where devices or systems operate at different interface voltages. It is particularly useful in:
- Interfacing between different voltage nodes (e.g., 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V).
- High-speed data communication systems requiring bidirectional voltage translation.
- Partial-power-down applications where Ioff is necessary to prevent backflow current.
- Systems requiring push-pull drivers connected to the data I/Os.
Q & A
- What is the primary function of the SN74AVC4T245PWR?
The primary function is to perform bidirectional voltage level translation between different voltage nodes.
- What is the supply voltage range for the SN74AVC4T245PWR?
The supply voltage range is from 1.2V to 3.6V.
- What is the maximum data rate supported by the SN74AVC4T245PWR?
The device supports data rates up to 380 Mbps.
- What is the purpose of the Ioff circuitry in the SN74AVC4T245PWR?
The Ioff circuitry prevents backflow current during partial-power-down mode.
- What package type is the SN74AVC4T245PWR available in?
The device is available in a 16-pin TSSOP package.
- Is the SN74AVC4T245PWR compliant with EU RoHS regulations?
- How does the direction-control input affect data transmission in the SN74AVC4T245PWR?
A high on the DIR input allows data transmission from the A port to the B port, while a low on the DIR input allows data transmission from the B port to the A port.
- What is the operating temperature range for the SN74AVC4T245PWR?
The operating temperature range is from -40°C to 85°C.
- Can the SN74AVC4T245PWR be used in partial-power-down applications?
- How do the output-enable inputs control the outputs of the SN74AVC4T245PWR?
When the OE input is set to high, both output ports are placed in the high-impedance state.
