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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | |
| 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 | 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-TFSOP (0.240", 6.10mm Width) |
The CD74FCT16646ATMT is a high-speed 16-bit bus transceiver from Harris Corporation, designed for demanding 5V digital applications. As part of the 74FCT family, it delivers fast switching speeds with low power consumption. This non-inverting transceiver features 3-State outputs and operates from 4.5V to 5.5V, ensuring TTL compatibility. With a robust output drive of 32mA source and 64mA sink, it can handle heavy bus loads. The 56-TFSOP package is ideal for high-density PCB layouts. Its industrial temperature range (-40°C to 85°C) makes it suitable for a wide variety of commercial and industrial applications.
- 16-Bit Wide Data Path: Reduces component count by replacing two 8-bit transceivers, saving board space.
- High Drive Capability (64mA Sink): Ensures signal integrity on heavily loaded buses.
- Industrial Temperature Range (-40°C to 85°C): Reliable operation in harsh environments.
- 3-State Outputs: Enables safe bus sharing and system expansion.
16-Bit Data Bus Interfacing
Use the CD74FCT16646ATMT to interface two 16-bit data buses in high-performance computing systems. The 3-State outputs and direction control enable seamless bidirectional data flow.
Server Memory Controllers
In server memory controllers, this transceiver can buffer address and data lines between the CPU and DRAM. The 64mA sink current ensures reliable signal delivery to multiple memory modules.
High-Speed Networking Equipment
For network switches and routers, this IC can handle parallel data streams between ASICs and PHYs. The fast propagation delay of 74FCT logic minimizes latency.
Industrial Control Backplanes
In industrial backplane systems, this transceiver can drive data between multiple controller cards. The 3-State outputs allow for hot-swapping of cards without bus contention.
Telecommunications Switching
Use this device in telecom switches to route 16-bit data paths between line cards. The wide operating temperature range (-40°C to 85°C) ensures reliability in central office environments.
Test and Measurement Equipment
For automated test equipment, this transceiver can route test vectors to DUTs with high speed. The 32mA source and 64mA sink capability handles various load conditions.
- Q: What is the logic family of the CD74FCT16646ATMT?
- A: It is from the 74FCT (Fast CMOS TTL) family, offering high speed and low power.
- Q: What is the function of this IC?
- A: It is a 16-bit bus transceiver with non-inverting outputs, designed for bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 2 channels of 8 bits each (16 bits total), providing a wide data path.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing and isolation.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard 5V TTL systems.
- Q: What is the temperature range?
- A: It supports an industrial temperature range of -40°C to 85°C.
CD74FCT16646ATMT.pdf
- Q: What is the logic family of the CD74FCT16646ATMT?
- A: It is from the 74FCT (Fast CMOS TTL) family, offering high speed and low power.
- Q: What is the function of this IC?
- A: It is a 16-bit bus transceiver with non-inverting outputs, designed for bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 2 channels of 8 bits each (16 bits total), providing a wide data path.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing and isolation.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, compatible with standard 5V TTL systems.
- Q: What is the temperature range?
- A: It supports an industrial temperature range of -40°C to 85°C.