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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 | 48-BSSOP (0.295", 7.50mm Width) |
| Supplier Device Package | 48-BSSOP (0.295", 7.50mm Width) |
The CD74FCT16245ATSM is a high-speed 16-bit non-inverting transceiver from Harris Corporation, designed for 5V systems. It features 3-State outputs and provides 32mA source and 64mA sink current capability, making it ideal for driving heavy bus loads. Operating from 4.5V to 5.5V, this device is suitable for a wide range of digital applications including memory interfacing, bus communication, and signal buffering. The 48-pin BSSOP package offers a compact solution for space-constrained designs.
- High Drive Current (64mA Sink): Can drive low-impedance or high-capacitance loads, ensuring signal integrity on long buses.
- 3-State Outputs: Allows multiple devices to share a common bus without contention, simplifying system design.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial and automotive environments where temperature extremes are common.
- Non-Inverting Transceiver: Preserves signal polarity, reducing design complexity and potential for logic errors.
High-Speed 5V Bus Interfacing
Use the CD74FCT16245ATSM to interface between two 5V buses in a system. Its 3-State outputs and high drive current (64mA sink) allow it to drive heavily loaded backplanes without signal degradation.
Memory Address/Data Buffering
In microcontroller or DSP systems, this transceiver can buffer address and data lines between the processor and memory banks. The non-inverting function preserves signal integrity, and the 3-State outputs allow multiple devices to share the bus.
Signal Buffering for Long Traces
When driving signals over long PCB traces or cables, the high output current (32mA source, 64mA sink) helps maintain signal integrity by overcoming line capacitance and reducing reflections.
Level Shifting in Mixed-Voltage Systems
While designed for 5V, it can be used to interface between 5V logic and 3.3V logic when the 3.3V side can tolerate 5V inputs. This is common in legacy 5V peripherals connected to newer 3.3V controllers.
Industrial Control I/O Expansion
In industrial PLCs and control systems, this IC can buffer parallel I/O signals between the controller and field devices. The wide temperature range (-40°C to 85°C) ensures reliable operation in harsh environments.
Telecommunications Line Cards
For telecom equipment, the transceiver can be used to buffer data streams between line interface units and switching fabrics, providing the necessary drive strength for high-speed parallel data transfer.
- Q: What is the logic family of the CD74FCT16245ATSM?
- A: This device belongs to the 74FCT logic family, designed for high-speed 5V systems.
- Q: What is the function of this IC?
- A: It is a 16-bit (2 channels of 8-bit) non-inverting transceiver with 3-State outputs.
- Q: How many channels does it have?
- A: It has 2 channels, each handling 8 bits, for a total of 16 bits.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for standard 5V logic.
- Q: What package is available?
- A: It comes in a 48-pin BSSOP (0.295", 7.50mm Width) package.
CD74FCT16245ATSM.pdf
- Q: What is the logic family of the CD74FCT16245ATSM?
- A: This device belongs to the 74FCT logic family, designed for high-speed 5V systems.
- Q: What is the function of this IC?
- A: It is a 16-bit (2 channels of 8-bit) non-inverting transceiver with 3-State outputs.
- Q: How many channels does it have?
- A: It has 2 channels, each handling 8 bits, for a total of 16 bits.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for standard 5V logic.
- Q: What package is available?
- A: It comes in a 48-pin BSSOP (0.295", 7.50mm Width) package.