Overview
The SN74AVC1T45DBVRE4 is a single-bit noninverting bus transceiver produced by Texas Instruments. This device is designed for asynchronous communication between two data buses and features configurable voltage-level shifting and 3-state outputs. It operates with two separate configurable power-supply rails, allowing each port to function over a wide voltage range from 1.2V to 3.6V. This makes it ideal for universal low-voltage, bidirectional translation between various voltage nodes such as 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| VCCA, Supply voltage | 1.2 | 3.6 | V |
| VCCB, Supply voltage | 1.2 | 3.6 | V |
| Operating temperature range | -40 | 85 | °C |
| Output drive at 3.3V | ±12 | mA | |
| I/O voltage tolerance | -0.5 | 4.6 | V |
| Data rates (1.8V to 3.3V translation) | 500 | Mbps | |
| Data rates (<1.8V to 3.3V translation) | 320 | Mbps | |
| ESD protection (Human Body Model) | ±2000 | V | |
| Package type | SOT-23 (DBV) | ||
| Pins | 6 |
Key Features
- Available in the Texas Instruments NanoFree™ package, using the die as the package.
- Fully configurable dual-rail design allows each port to operate over the full 1.2V to 3.6V power-supply range.
- VCC isolation feature – if either VCC input is at GND, then both ports are in the high-impedance state.
- DIR input circuit referenced to VCCA.
- ±12mA output drive at 3.3V.
- I/Os are 4.6V tolerant.
- Ioff supports partial-power-down mode operation.
- Latch-up performance exceeds 100mA per JESD 78, Class II.
- ESD protection exceeds JESD 22 standards.
Applications
- Personal Electronic Devices: Ideal for voltage translation in portable electronics.
- Industrial Applications: Suitable for industrial control systems and automation.
- Enterprise Systems: Used in server and networking equipment for voltage-level shifting.
- Telecom: Applied in telecommunications equipment for reliable data transmission.
Q & A
- What is the operating voltage range of the SN74AVC1T45? The device operates with VCCA/VCCB as low as 1.2V and up to 3.6V.
- What is the maximum data rate for 1.8V to 3.3V translation? The maximum data rate is 500Mbps.
- What is the ESD protection level of the SN74AVC1T45? The device has ESD protection exceeding ±2000V Human Body Model (A114-A).
- What is the package type of the SN74AVC1T45DBVRE4? The package type is SOT-23 (DBV) with 6 pins.
- What is the operating temperature range of the SN74AVC1T45? The operating temperature range is -40°C to 85°C.
- Does the SN74AVC1T45 support partial-power-down mode? Yes, the device supports partial-power-down mode using Ioff circuitry.
- What is the VCC isolation feature of the SN74AVC1T45? If either VCC input is at GND, both ports are in the high-impedance state.
- How is the DIR input circuit powered? The DIR input circuit is powered by VCCA.
- What is the output drive capability at 3.3V? The output drive capability is ±12mA at 3.3V.
- Is the SN74AVC1T45 suitable for industrial applications? Yes, it is suitable for industrial control systems and automation due to its robust features and wide operating voltage range.
