Overview
The SN74AVC1T45DRLRG4, produced by Texas Instruments, is a single-bit noninverting bus transceiver designed for universal low-voltage, bidirectional translation between various voltage nodes. This device operates with two separate configurable power-supply rails, allowing each port to function over a wide voltage range from 1.2V to 3.6V. It is particularly useful for asynchronous communication between two data buses and supports partial-power-down applications. The SN74AVC1T45 is available in the innovative NanoFree™ package, which uses the die as the package, enhancing compactness and performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCCA/VCCB) | 1.2 to 3.6 | V |
| Input Voltage (VI) | -0.5 to 4.6 | V |
| Output Voltage (VO) | -0.5 to VCCA/VCCB + 0.5 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Output Drive at 3.3V | ±12 | mA |
| I/O Tolerance | 4.6 | V |
| Maximum Data Rates | 500 Mbps (1.8V to 3.3V translation), 320 Mbps (<1.8V to 3.3V translation), etc. | Mbps |
| ESD Protection | ±2000V Human Body Model, 200V Machine Model, ±1000V Charged-Device Model | V |
| Package Type | SOT-5X3 (DRL) | |
| Pins | 6 |
Key Features
- Available in the Texas Instruments NanoFree™ package.
- Fully configurable dual-rail design allowing 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.
- High-speed data rates up to 500 Mbps.
- Latch-up performance exceeds 100mA per JESD 78, Class II.
- ESD protection exceeds JESD 22 standards.
Applications
- Personal electronic devices.
- Industrial applications.
- Enterprise systems.
- Telecom equipment.
Q & A
- What is the voltage range for the SN74AVC1T45? The device operates with supply voltages (VCCA/VCCB) ranging from 1.2V to 3.6V.
- What is the maximum data rate of the SN74AVC1T45? The maximum data rate is 500 Mbps for 1.8V to 3.3V translation.
- What is the ESD protection level of the SN74AVC1T45? The device has ESD protection exceeding ±2000V Human Body Model, 200V Machine Model, and ±1000V Charged-Device Model.
- What is the purpose of the VCC isolation feature? If either VCC input is at GND, both ports are in the high-impedance state.
- What is the output drive capability at 3.3V? The output drive is ±12mA at 3.3V.
- Is the SN74AVC1T45 suitable for partial-power-down applications? Yes, it supports partial-power-down mode operation using Ioff circuitry.
- What is the operating temperature range of the SN74AVC1T45? The operating temperature range is -40°C to 85°C.
- What package types are available for the SN74AVC1T45? The device is available in SOT-5X3 (DRL), SOT-23 (DBV), SOT-SC70 (DCK), and DSBGA (YZP) packages.
- How many pins does the SN74AVC1T45 have? The device has 6 pins.
- What is the significance of the NanoFree package? The NanoFree package uses the die as the package, enhancing compactness and performance.
