Overview
The Texas Instruments 74AVC16T245DGGRE4 is a 16-bit dual-supply bus transceiver designed for bidirectional voltage translation and 3-state output functionality. This component is part of the AVC logic family and is optimized to operate with supply voltages ranging from 1.2 V to 3.6 V, making it versatile for various low-voltage applications. The device allows for universal voltage translation between different voltage nodes such as 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V, enabling seamless communication between different voltage domains in a system.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| Supply Voltage (VCCA, VCCB) | 1.2 | 4.6 | V |
| Input Voltage (VI) | -0.5 | 4.6 | V |
| Output Voltage (VO) in High-Impedance or Power-Off State | -0.5 | 4.6 | V |
| Output Voltage (VO) in High or Low State | -0.5 | VCCA + 0.5 / VCCB + 0.5 | V |
| Input Clamp Current (IIK) | -50 | -50 | mA |
| Output Clamp Current (IOK) | -50 | -50 | mA |
| Continuous Output Current (IO) | ±50 | ±50 | mA |
| Continuous Current through VCCA, VCCB, or GND | ±100 | ±100 | mA |
| Operating Free-Air Temperature (TA) | -40 | 85 | °C |
| Propagation Delay Time (tPLH, tPHL) | ~5 ns | ns |
Key Features
- Bidirectional Voltage Translation: Supports translation between different voltage levels (1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V) on both A and B ports.
- 3-State Outputs: Outputs can be disabled using the output-enable (OE) input, effectively isolating the buses.
- Configurable Direction Control: Data direction is controlled by the direction-control (DIR) input, allowing data to flow from A to B or B to A.
- Low Propagation Delay: Typical propagation delay times are around 5 ns, ensuring fast data transfer.
- Wide Operating Temperature Range: Operates from -40°C to 85°C, making it suitable for a variety of environments.
- RoHS Compliant: Available in RoHS-compliant packages, ensuring environmental sustainability.
Applications
- Embedded Systems: Ideal for use in embedded systems where multiple voltage domains need to communicate.
- Industrial Automation: Suitable for industrial automation systems requiring reliable and fast data transfer between different voltage levels.
- Consumer Electronics: Used in consumer electronics to facilitate communication between different components operating at various voltage levels.
- Automotive Systems: Applicable in automotive systems where robust and reliable voltage translation is necessary.
- Telecommunications: Employed in telecommunications equipment to ensure seamless data transfer across different voltage domains.
Q & A
- What is the voltage range for the supply voltages VCCA and VCCB?
The supply voltages VCCA and VCCB can range from 1.2 V to 3.6 V.
- What is the typical propagation delay time for this device?
The typical propagation delay time is around 5 ns.
- How is the direction of data flow controlled in the 74AVC16T245?
The direction of data flow is controlled by the direction-control (DIR) input.
- Can the outputs of the 74AVC16T245 be disabled?
Yes, the outputs can be disabled using the output-enable (OE) input.
- What is the operating temperature range for this device?
The operating temperature range is from -40°C to 85°C.
- Is the 74AVC16T245 RoHS compliant?
Yes, the device is available in RoHS-compliant packages.
- What are the typical applications for the 74AVC16T245?
Typical applications include embedded systems, industrial automation, consumer electronics, automotive systems, and telecommunications equipment.
- What is the maximum continuous output current for this device?
The maximum continuous output current is ±50 mA.
- What is the maximum continuous current through VCCA, VCCB, or GND?
The maximum continuous current through VCCA, VCCB, or GND is ±100 mA.
- What are the package options available for the 74AVC16T245?
The device is available in TSSOP (DGG), TVSOP (DGV), and BGA (GQL/ZQL) packages.
