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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 | 2 |
| 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 | 56-TFSOP (0.240", 6.10mm Width) |
| Supplier Device Package | 56-TSSOP |
The SN74LVTH16543DGG is a dual non-inverting transceiver from Texas Instruments, part of the 74LVTH logic family. It operates at 2.7V to 3.6V, making it ideal for low-voltage 3.3V systems. With 3-state outputs and a strong 64mA sink / 32mA source current capability, it can drive demanding bus loads. The 56-pin TFSOP package is compact for high-density designs. The bus hold feature on inputs eliminates external resistors. Typical applications include bidirectional bus interfacing, level shifting, and data routing in servers, telecom, and industrial electronics.
- Low-Voltage 2.7V-3.6V Operation: Compatible with modern 3.3V logic, reducing power consumption.
- High Drive Current (64mA Sink): Drives long buses and high-capacitance loads reliably.
- Bus Hold on Inputs: Eliminates external pull-up/pull-down resistors, saving board space.
- 3-State Bidirectional Transceiver: Enables flexible data flow control on shared buses.
3.3V Bidirectional Bus Transceiver
Use the SN74LVTH16543DGG to interface between two 3.3V buses, such as a microcontroller and memory or peripheral devices. The 3-state outputs prevent bus contention.
Level Shifting between 3.3V and 2.7V Systems
With a supply range of 2.7V to 3.6V, this transceiver can bridge systems operating at different low voltages, ensuring reliable communication.
High-Density Data Routing
The 56-pin TFSOP package and dual-channel design allow for compact routing of multiple data lines in space-constrained PCBs, ideal for networking equipment.
Bus Hold Feature for Unused Inputs
The 74LVTH family includes bus hold circuitry, eliminating the need for external pull-up/pull-down resistors on unused inputs, simplifying board design.
Server and Telecom Backplane Interfacing
In high-speed backplanes, this transceiver provides the necessary drive strength (64mA sink) to handle long traces and multiple connectors.
- Q: What is the logic family of the SN74LVTH16543DGG?
- A: It belongs to the 74LVTH (Low-Voltage TTL with Bus Hold) family.
- Q: What is the function of this IC?
- A: It is a dual (2-channel) non-inverting transceiver, allowing bidirectional data flow.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to shared bidirectional buses.
- Q: What is the voltage range?
- A: It operates from 2.7V to 3.6V, ideal for low-voltage 3.3V systems.
- Q: What is the package?
- A: It is available in a 56-pin TFSOP (0.240", 6.10mm Width) package.
- Q: What is the output current?
- A: It can sink 64mA and source 32mA, providing strong drive for low-voltage buses.
SN74LVTH16543DGG.pdf
- Q: What is the logic family of the SN74LVTH16543DGG?
- A: It belongs to the 74LVTH (Low-Voltage TTL with Bus Hold) family.
- Q: What is the function of this IC?
- A: It is a dual (2-channel) non-inverting transceiver, allowing bidirectional data flow.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to shared bidirectional buses.
- Q: What is the voltage range?
- A: It operates from 2.7V to 3.6V, ideal for low-voltage 3.3V systems.
- Q: What is the package?
- A: It is available in a 56-pin TFSOP (0.240", 6.10mm Width) package.
- Q: What is the output current?
- A: It can sink 64mA and source 32mA, providing strong drive for low-voltage buses.