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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74LVTH |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 32mA, 64mA |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SSOP |
The SN74LVTH245A from Texas Instruments is an 8-bit bidirectional transceiver designed for 3.3V systems. It features 3-State outputs, TTL-compatible inputs, and high 64mA sink current. Operating from 2.7V to 3.6V, it is ideal for bus interfacing, level shifting, and high-current backplane applications.
- Bidirectional 8-bit Transceiver: Enables flexible data flow in both directions on a single bus.
- High 64mA Sink Current: Drives heavy loads and maintains signal integrity on long buses.
- TTL-Compatible Inputs: Allows interfacing with 5V logic without external level shifters.
- 3-State Outputs: Supports bus sharing and hot-swap applications.
Bidirectional Bus Transceiver for 3.3V Systems
This transceiver allows bidirectional data transfer between two 3.3V buses, with direction controlled by the DIR pin, ideal for memory and peripheral interfaces.
Level Shifting Between 3.3V and 5V Systems
With TTL-compatible inputs, it can accept 5V logic levels while operating at 3.3V, enabling safe interfacing between 5V legacy devices and modern 3.3V microcontrollers.
High-Current Backplane Driving
The 64mA sink capability provides excellent drive strength for backplane buses, maintaining signal integrity over long distances with multiple loads.
Hot-Swap and Live Insertion
The 3-State outputs and power-up/down high-impedance feature prevent bus contention during card insertion, making it suitable for hot-swappable systems.
Server and Networking Equipment
In servers, this transceiver can buffer PCI or memory buses, providing the necessary drive and isolation for high-speed data paths.
Industrial Sensor Interfaces
It can interface between 3.3V logic and industrial sensors operating at different voltage levels, ensuring reliable data acquisition.
- Q: What is the logic family of the SN74LVTH245A?
- A: It belongs to the 74LVTH (Low-Voltage BiCMOS with TTL-compatible inputs) family.
- Q: What is the function of this IC?
- A: It is a single-channel (8-bit) non-inverting transceiver, allowing bidirectional data flow.
- Q: How many channels does it have?
- A: It has 1 transceiver channel, which is 8 bits wide (8-bit bus).
- Q: What is the output type?
- A: The outputs are 3-State, enabling bidirectional bus operation.
- Q: What is the operating voltage range?
- A: It operates from 2.7V to 3.6V, ideal for 3.3V systems.
- Q: What package is available?
- A: It comes in a 20-pin SSOP package.
SN74LVTH245ADB.pdf
- Q: What is the logic family of the SN74LVTH245A?
- A: It belongs to the 74LVTH (Low-Voltage BiCMOS with TTL-compatible inputs) family.
- Q: What is the function of this IC?
- A: It is a single-channel (8-bit) non-inverting transceiver, allowing bidirectional data flow.
- Q: How many channels does it have?
- A: It has 1 transceiver channel, which is 8 bits wide (8-bit bus).
- Q: What is the output type?
- A: The outputs are 3-State, enabling bidirectional bus operation.
- Q: What is the operating voltage range?
- A: It operates from 2.7V to 3.6V, ideal for 3.3V systems.
- Q: What package is available?
- A: It comes in a 20-pin SSOP package.