Overview
The SN74AXC4T774-Q1, produced by Texas Instruments, is a four-bit non-inverting bus transceiver designed for asynchronous communication between data buses. This device utilizes two individually configurable power-supply rails, allowing each port to operate with a power supply range from 0.65V to 3.6V. It is AEC-Q100 qualified for automotive applications and features glitch-free power supply sequencing, making it robust for various automotive and industrial uses. The device is compatible with both dual-supply and single-supply systems, enhancing its versatility in different application environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | WQFN (BQB) | - |
| Pins | 16 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Power Supply Range (VCCA and VCCB) | 0.65 to 3.6 | V |
| Data Transfer Rate | Up to 310 Mbps | - |
| ESD Protection | 8000-V Human-Body Model, 1000-V Charged-Device Model | - |
| Latch-up Performance | Exceeds 100mA per JESD 78, Class II | - |
| Package Size | 2.50 mm × 3.50 mm | - |
Key Features
- AEC-Q100 qualified for automotive applications
- Fully configurable dual-rail design allowing each port to operate with a power supply range from 0.65V to 3.6V
- Independent direction control pins for configurable up and down translation
- Glitch-free power supply sequencing
- VCC Isolation Feature: If either VCC input is below 100mV, all I/O outputs are disabled and become high-impedance
- Ioff supports partial-power-down mode operation
- Compatible with AVC family level shifters
- ESD protection exceeds JEDEC JS-001
- Latch-up performance exceeds 100mA per JESD 78, Class II
Applications
- Infotainment head unit
- ADAS fusion
- ADAS front camera
- HEV/EV battery management
- Telematics control unit
Q & A
- What is the SN74AXC4T774-Q1 used for?
The SN74AXC4T774-Q1 is used for asynchronous communication between data buses in various automotive and industrial applications.
- What is the operating temperature range of the SN74AXC4T774-Q1?
The operating temperature range is from -40°C to 125°C.
- What is the power supply range for the SN74AXC4T774-Q1?
The power supply range for both VCCA and VCCB is from 0.65V to 3.6V.
- Does the SN74AXC4T774-Q1 support partial-power-down mode?
- What is the VCC Isolation Feature of the SN74AXC4T774-Q1?
If either VCCA or VCCB is less than 100mV, both I/O ports are set to the high-impedance state by disabling their outputs.
- What kind of ESD protection does the SN74AXC4T774-Q1 have?
The device has ESD protection exceeding JEDEC JS-001, with 8000-V Human-Body Model and 1000-V Charged-Device Model.
- Is the SN74AXC4T774-Q1 compatible with single-supply systems?
- What is the maximum data transfer rate of the SN74AXC4T774-Q1?
The device supports up to 310 Mbps data transfer rate when translating from 1.8V to 3.3V.
- What are some common applications of the SN74AXC4T774-Q1?
- How do you ensure the high-impedance state of the level shifter I/Os during power up or power down?
To ensure the high-impedance state, tie the OE pin to VCCA through a pullup resistor.
