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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74ACT |
| 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 | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| 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 74ACT16543DGG is a 16-bit non-inverting transceiver from Texas Instruments, part of the 74ACT logic family. It features two independent byte-wide channels with 3-State outputs, enabling bidirectional data transfer on 16-bit buses. Operating from 4.5V to 5.5V, it provides 24mA input and output current. The 56-pin TFSOP package is ideal for space-constrained surface-mount designs. This transceiver is perfect for high-density applications such as networking equipment, industrial controllers, and automotive systems requiring robust 5V bus interfacing.
- 16-Bit Width: Doubles data throughput compared to 8-bit transceivers, reducing component count.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial and automotive environments.
- TTL-Compatible Inputs: Ensures easy integration with legacy 5V TTL logic.
- 3-State Outputs: Allows multiple devices to share the bus without conflict.
- Compact TFSOP Package: Saves PCB area in high-density designs.
16-Bit Data Bus Interfacing
The 74ACT16543DGG is ideal for connecting 16-bit microprocessors to memory or peripherals. Its dual-byte structure allows independent control of each byte, enabling flexible data routing.
High-Density PCB Design
With a compact 56-pin TFSOP package, this transceiver saves board space in dense designs, making it suitable for modern compact electronic products.
Mixed TTL/CMOS Systems
The 74ACT family features TTL-compatible inputs, allowing direct interface with legacy TTL logic while providing CMOS-level outputs for newer components.
Server and Networking Equipment
In networking hardware, this transceiver can buffer 16-bit data paths between controllers and PHY chips, with 3-State outputs enabling bus sharing in multi-port designs.
Automotive Infotainment Systems
Operating at 5V, this IC can route data between infotainment processors and display modules, with the -40°C to 85°C temperature range suitable for automotive cabin environments.
Industrial Automation Controllers
For PLCs and motion controllers, the 74ACT16543DGG provides reliable 16-bit data transfer between CPU and I/O modules, with high-speed CMOS ensuring low propagation delay.
- Q: What is the logic family of the 74ACT16543DGG?
- A: It belongs to the 74ACT family, which combines advanced CMOS technology with TTL-compatible inputs for 5V operation.
- Q: What is the function of this IC?
- A: It is a non-inverting 16-bit (2-byte) transceiver, providing bidirectional data transfer between two 16-bit buses.
- Q: What is the output type?
- A: The outputs are 3-State, allowing the device to be disconnected from the bus for multiplexing.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V logic systems.
- Q: What is the package type?
- A: It comes in a 56-pin TFSOP (0.240", 6.10mm Width) package, suitable for surface-mount assembly.
- Q: What are the current specifications?
- A: It has 24mA input and 24mA output current, providing balanced drive for bus lines.
74ACT16543DGG.pdf
- Q: What is the logic family of the 74ACT16543DGG?
- A: It belongs to the 74ACT family, which combines advanced CMOS technology with TTL-compatible inputs for 5V operation.
- Q: What is the function of this IC?
- A: It is a non-inverting 16-bit (2-byte) transceiver, providing bidirectional data transfer between two 16-bit buses.
- Q: What is the output type?
- A: The outputs are 3-State, allowing the device to be disconnected from the bus for multiplexing.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V logic systems.
- Q: What is the package type?
- A: It comes in a 56-pin TFSOP (0.240", 6.10mm Width) package, suitable for surface-mount assembly.
- Q: What are the current specifications?
- A: It has 24mA input and 24mA output current, providing balanced drive for bus lines.