Overview
The SN74AVC16T245DGGR is a 16-bit, dual-supply noninverting bidirectional bus transceiver produced by Texas Instruments. This device is designed for asynchronous communication between data buses and supports universal low-voltage bidirectional translation between various voltage nodes (1.2V, 1.5V, 1.8V, 2.5V, and 3.3V). The SN74AVC16T245 allows each port to operate over a wide power-supply range from 1.2V to 3.6V, making it highly versatile for mixed-voltage-mode data communications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | TSSOP-48 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage (VCCA/VCCB) | 1.2 to 3.6 | V |
| Input Voltage Range | -0.5 to 4.6 | V |
| Maximum Data Rates | 380 Mbps (1.8V to 3.3V), 200 Mbps (<1.8V to 3.3V), 200 Mbps (to 2.5V or 1.8V), 150 Mbps (to 1.5V), 100 Mbps (to 1.2V) | Mbps |
| ESD Protection | 8000V Human-Body Model, 200V Machine Model, 1000V Charged-Device Model | V |
| Latch-Up Performance | Exceeds 100mA per JESD 78, Class II | mA |
Key Features
- Control Inputs VIH/VIL Levels Are Referenced to VCCA Voltage
- VCC Isolation Feature – If Either VCC Input Is at GND, Both Ports Are in the High-Impedance State
- Overvoltage-Tolerant Inputs and Outputs Allow Mixed-Voltage-Mode Data Communications
- Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.2V to 3.6V Power-Supply Range
- Ioff Supports Partial-Power-Down Mode Operation
- I/Os Are 4.6V Tolerant
- Maximum Data Rates as specified in the specifications section
- ESD Protection Exceeds JESD 22 Standards
- Latch-Up Performance Exceeds 100mA Per JESD 78, Class II
Applications
The SN74AVC16T245DGGR is suitable for various applications requiring voltage level translation and bidirectional data communication. These include:
- Mixed-voltage systems where different voltage levels are used.
- Asynchronous communication between data buses.
- Partial-power-down mode operations in power-sensitive designs.
- Systems requiring high-speed data transfer with configurable level-shifting.
- Industrial and automotive applications due to its wide operating temperature range.
Q & A
- What is the primary function of the SN74AVC16T245DGGR?
The primary function is to act as a 16-bit, dual-supply noninverting bidirectional bus transceiver for asynchronous communication between data buses with configurable level-shifting.
- What is the operating temperature range of the SN74AVC16T245DGGR?
The operating temperature range is from -40°C to 85°C.
- What are the supported supply voltage ranges for VCCA and VCCB?
Both VCCA and VCCB can operate over a range from 1.2V to 3.6V.
- What are the maximum data rates supported by the SN74AVC16T245DGGR?
The device supports maximum data rates of 380 Mbps (1.8V to 3.3V), 200 Mbps (<1.8V to 3.3V), 200 Mbps (to 2.5V or 1.8V), 150 Mbps (to 1.5V), and 100 Mbps (to 1.2V).
- Does the SN74AVC16T245DGGR support partial-power-down mode operation?
- What is the ESD protection level of the SN74AVC16T245DGGR?
The device has ESD protection exceeding 8000V Human-Body Model, 200V Machine Model, and 1000V Charged-Device Model.
- How does the VCC isolation feature work?
If either VCC input is at GND, both ports of the device are in the high-impedance state.
- What is the latch-up performance of the SN74AVC16T245DGGR?
The latch-up performance exceeds 100mA per JESD 78, Class II.
- Can the SN74AVC16T245DGGR operate with mixed-voltage systems?
- What is the package type of the SN74AVC16T245DGGR?
The device is packaged in a 48-pin TSSOP (Thin Shrink Small Outline Package).
