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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74AVC |
| 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 | 12mA, 12mA |
| Voltage - Supply | 1.2V ~ 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 |
| ROHS |  |
The SN74AVC16646DGG is a 16-bit non-inverting transceiver from Texas Instruments, part of the 74AVC logic family. It features two channels with 3-State outputs, enabling bidirectional data flow on a shared bus. Operating from 1.2V to 3.6V, it provides 12mA source and sink current, ideal for low-voltage, high-speed applications. The device is housed in a 56-TFSOP package and operates over -40°C to 85°C. Typical applications include FPGA configuration, DDR memory interfacing, and portable device data routing.
- Wide 1.2V to 3.6V Supply Range: Compatible with modern low-voltage processors and FPGAs, reducing power consumption.
- High-Speed 74AVC Family: Minimizes propagation delay, essential for high-frequency bus operation.
- 3-State Outputs: Facilitates bus sharing and hot-swap capabilities in multi-board systems.
- 56-Pin TFSOP Package: Offers high pin density for 16-bit buses in a small footprint.
Low-Voltage FPGA Configuration
Use the SN74AVC16646DGG to buffer configuration data between an FPGA and its flash memory. The 1.2V-3.6V range supports modern FPGA I/O banks, and the 3-State outputs allow multiple configuration sources.
DDR Memory Module Interface
In DDR memory systems, this transceiver buffers address and command signals. The 74AVC family's low propagation delay is critical for meeting timing requirements, and the 12mA drive is sufficient for short stub buses.
Portable Device Data Routing
For smartphones or tablets, the device routes data between the application processor and peripheral ICs. The low-voltage operation reduces power consumption, and the 56-TFSOP package fits compact PCBs.
Networking Switch Fabric
In network switches, the transceiver buffers control signals between the switch fabric and line cards. The 1.2V core logic interface reduces power, while the 3-State outputs prevent bus conflicts during hot-swap.
Medical Device Signal Isolation
In medical monitoring equipment, the device buffers digital signals between isolated sections. The low-voltage operation is compatible with modern ADC/DAC interfaces, and the wide temperature range ensures reliability.
Embedded System Peripheral Expansion
For embedded controllers, the SN74AVC16646DGG expands the I/O capability by buffering multiple peripheral buses. The non-inverting function preserves signal polarity, simplifying firmware design.
- Q: What is the logic family of the SN74AVC16646DGG?
- A: It belongs to the 74AVC logic family, known for low-voltage and high-speed operation.
- Q: What is the function of this IC?
- A: It is a 16-bit non-inverting transceiver with 2 channels, enabling bidirectional data transfer.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing in multi-device systems.
- Q: What is the operating voltage range?
- A: It operates from 1.2V to 3.6V, supporting low-voltage applications.
- Q: What is the package type?
- A: It comes in a 56-TFSOP package with a 6.10mm width.
- Q: What are the output current capabilities?
- A: It can source and sink 12mA, suitable for low-power, high-speed buses.
SN74AVC16646DGG.pdf
- Q: What is the logic family of the SN74AVC16646DGG?
- A: It belongs to the 74AVC logic family, known for low-voltage and high-speed operation.
- Q: What is the function of this IC?
- A: It is a 16-bit non-inverting transceiver with 2 channels, enabling bidirectional data transfer.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing in multi-device systems.
- Q: What is the operating voltage range?
- A: It operates from 1.2V to 3.6V, supporting low-voltage applications.
- Q: What is the package type?
- A: It comes in a 56-TFSOP package with a 6.10mm width.
- Q: What are the output current capabilities?
- A: It can source and sink 12mA, suitable for low-power, high-speed buses.