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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 CD74FCT16543ATMT from Harris Corporation is a high-drive non-inverting transceiver for 5V systems. Operating from 4.5V to 5.5V, it offers 2 channels with 3-State outputs for bidirectional bus control. With a strong 32mA source and 64mA sink current, it excels at driving capacitive loads and long traces. Housed in a 56-pin TFSOP package, it is suitable for memory controllers, industrial PLCs, and telecom applications requiring robust signal integrity.
- High Sink Current (64mA): Drives heavy capacitive loads with fast fall times, improving bus performance.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial and automotive environments.
- 3-State Bidirectional Operation: Enables flexible bus sharing and direction control.
- Thin TFSOP Package: Reduces board footprint while maintaining high pin count.
High-Capacitance Bus Driving
The CD74FCT16543ATMT is ideal for driving long, high-capacitance bus lines in backplane systems. Its 64mA sink current ensures fast low-to-high transitions, critical for maintaining signal integrity.
Memory Controller Data Path
Use this transceiver in a memory controller to buffer data between the CPU and DRAM. The 3-State outputs allow the data bus to be shared with other masters, preventing contention.
Industrial PLC I/O Modules
In programmable logic controllers, this device can manage bidirectional communication between the main processor and I/O modules, providing robust drive for industrial backplanes.
Telecom Switching Fabric
For telecom switches, the CD74FCT16543ATMT can route data between line cards and the switching core, handling high-speed signals with its 32mA source capability.
Automotive Body Control Module
In automotive electronics, this transceiver can interface between a 5V microcontroller and various sensors/actuators, ensuring reliable data exchange in harsh environments (-40°C to 85°C).
- Q: What is the logic family of the CD74FCT16543ATMT?
- A: It belongs to the 74FCT logic family, known for high-speed, low-power CMOS with TTL compatibility.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 2 channels, allowing bidirectional data transfer between two buses.
- Q: What type of outputs does it have?
- A: It has 3-State outputs, enabling high-impedance states for bus sharing and direction control.
- Q: What is the voltage range?
- A: The operating supply voltage is 4.5V to 5.5V, suitable for standard 5V logic systems.
- Q: What is the package type?
- A: It comes in a 56-pin TFSOP (0.240", 6.10mm Width) package, a thin surface-mount option.
- Q: What are the output current ratings?
- A: It can source 32mA and sink 64mA, providing asymmetric drive for high-capacitance loads.
CD74FCT16543ATMT.pdf
- Q: What is the logic family of the CD74FCT16543ATMT?
- A: It belongs to the 74FCT logic family, known for high-speed, low-power CMOS with TTL compatibility.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 2 channels, allowing bidirectional data transfer between two buses.
- Q: What type of outputs does it have?
- A: It has 3-State outputs, enabling high-impedance states for bus sharing and direction control.
- Q: What is the voltage range?
- A: The operating supply voltage is 4.5V to 5.5V, suitable for standard 5V logic systems.
- Q: What is the package type?
- A: It comes in a 56-pin TFSOP (0.240", 6.10mm Width) package, a thin surface-mount option.
- Q: What are the output current ratings?
- A: It can source 32mA and sink 64mA, providing asymmetric drive for high-capacitance loads.