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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74ABT |
| Packaging | Marketplace | Cut Tape (CT) |
| Part Status | Active |
| Logic Type | Transceiver, 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 | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 48-TFSOP (0.240", 6.10mm Width) |
| Supplier Device Package | 48-TSSOP |
| ROHS |  |
The SN74ABT16640DGGR is a 16-bit inverting transceiver from Texas Instruments' 74ABT family. It features two 8-bit channels with 3-State outputs, allowing bidirectional data flow on a common bus. Operating from a 4.5V to 5.5V supply, it delivers robust drive capability of 32mA source and 64mA sink current. This makes it ideal for high-speed, high-capacitance bus applications in computing, telecom, and industrial systems. The device is available in a compact 48-pin TFSOP package, suitable for space-constrained PCB designs.
- High Drive Current (64mA Sink): Ensures reliable signal transmission on heavily loaded buses without additional buffering.
- 3-State Outputs: Enables multiple devices to share a common bus, simplifying system architecture.
- 74ABT Technology: Provides a balance of high speed and low power consumption for 5V systems.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial environments with varying thermal conditions.
High-Speed Bidirectional Bus Interfacing
With 64mA sink capability and 74ABT technology, this transceiver can drive heavily loaded backplane buses in telecom and networking equipment at high speeds.
Memory Address/Data Buffering
In microprocessor systems, it can buffer and invert address or data lines between the CPU and memory banks, improving signal integrity over long traces.
Level-Shifting in Mixed-Voltage Systems
While designed for 5V, its 3-State outputs can be used with pull-up resistors to interface with 3.3V logic, providing a simple level-shifting solution.
Industrial PLC I/O Modules
The 3-State outputs allow multiple modules to share a common data bus, while the high drive current can handle the capacitive load of long cable runs.
Automotive Body Control Modules
Operating from -40°C to 85°C, it can reliably buffer control signals between microcontrollers and peripheral drivers in automotive body electronics.
Server Motherboard Chipset Interconnect
Its high-speed performance and 3-State capability make it suitable for connecting northbridge and southbridge chipsets in server applications.
- Q: What logic family does the SN74ABT16640DGGR belong to?
- A: It is part of the 74ABT (Advanced BiCMOS Technology) logic family.
- Q: What is the function of this device?
- A: It is a 16-bit (2 channels of 8) inverting transceiver, allowing bidirectional data flow.
- Q: How many channels does it have?
- A: It has 2 channels, each 8 bits wide, for a total of 16 bits.
- Q: What is the output type?
- A: The outputs are 3-State, enabling bus multiplexing and bidirectional communication.
- Q: What is the operating voltage?
- A: It operates on a standard 5V supply (4.5V to 5.5V).
- Q: What package is it available in?
- A: It comes in a 48-pin TFSOP (0.240", 6.10mm Width) package.
SN74ABT16640DGGR.pdf
- Q: What logic family does the SN74ABT16640DGGR belong to?
- A: It is part of the 74ABT (Advanced BiCMOS Technology) logic family.
- Q: What is the function of this device?
- A: It is a 16-bit (2 channels of 8) inverting transceiver, allowing bidirectional data flow.
- Q: How many channels does it have?
- A: It has 2 channels, each 8 bits wide, for a total of 16 bits.
- Q: What is the output type?
- A: The outputs are 3-State, enabling bus multiplexing and bidirectional communication.
- Q: What is the operating voltage?
- A: It operates on a standard 5V supply (4.5V to 5.5V).
- Q: What package is it available in?
- A: It comes in a 48-pin TFSOP (0.240", 6.10mm Width) package.