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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 10 |
| 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 CD74FCT16827ATMT from Harris Corporation is a high-speed dual non-inverting buffer designed for 5V systems. Operating from 4.5V to 5.5V, it delivers 32mA source and 64mA sink current, ensuring robust drive capability for demanding bus applications. The 3-State outputs allow multiple devices to share a common data line without contention. Housed in a compact 56-TFSOP package, this buffer is ideal for memory interfacing, industrial control, and telecommunications equipment where signal integrity and high fan-out are critical.
- High Drive Current (64mA Sink): Drives heavy capacitive loads and long bus lines without signal degradation, ensuring reliable data transmission.
- 3-State Outputs: Enables bus multiplexing and bidirectional communication, reducing the need for external bus switches.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial and automotive environments where temperature extremes are common.
- Non-Inverting Buffer: Preserves signal polarity, simplifying logic design and reducing the risk of inversion errors.
High-Density Bus Interfacing
With 2 channels and 3-State outputs, the CD74FCT16827ATMT is ideal for driving high-capacitance backplanes in telecommunications and networking equipment. The 64mA sink capability ensures signal integrity over long traces.
Memory Address Buffering
In server and workstation motherboards, this buffer can isolate the memory controller from multiple DRAM modules. Its 4.5V-5.5V range matches legacy 5V memory interfaces, providing clean, non-inverted address signals.
Signal Reconditioning for Industrial Controls
Industrial PLCs often require robust signal buffering between logic controllers and field I/O. The 32mA source capability drives optocouplers and relay drivers directly, while the 3-State feature allows multiple controllers to share a common data path.
5V Peripheral Expansion
For legacy 5V peripherals like parallel printers or external storage, this buffer provides the necessary drive strength to overcome cable capacitance and maintain valid logic levels over extended distances.
Test and Measurement Equipment
In ATE (Automated Test Equipment), the 3-State outputs enable multiplexing of test vectors to multiple device-under-test pins. The wide operating temperature range (-40°C to 85°C) ensures reliability in production environments.
Redundant System Architecture
In fault-tolerant systems, the 3-State outputs allow seamless switching between redundant controller boards. The non-inverting function preserves signal polarity, simplifying system design and debug.
- Q: What is the logic family of the CD74FCT16827ATMT?
- A: This device belongs to the 74FCT logic family, known for high-speed, low-power operation.
- Q: What is the function of this IC?
- A: It is a dual (2-channel) non-inverting buffer with 3-State outputs, ideal for bus driving and signal buffering.
- Q: How many channels does it have?
- A: It features 2 channels, each providing a non-inverting buffer path.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared buses with high-impedance (Hi-Z) state.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V systems.
- Q: What package is available?
- A: It comes in a 56-TFSOP (0.240", 6.10mm Width) package.
CD74FCT16827ATMT.pdf
- Q: What is the logic family of the CD74FCT16827ATMT?
- A: This device belongs to the 74FCT logic family, known for high-speed, low-power operation.
- Q: What is the function of this IC?
- A: It is a dual (2-channel) non-inverting buffer with 3-State outputs, ideal for bus driving and signal buffering.
- Q: How many channels does it have?
- A: It features 2 channels, each providing a non-inverting buffer path.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared buses with high-impedance (Hi-Z) state.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V systems.
- Q: What package is available?
- A: It comes in a 56-TFSOP (0.240", 6.10mm Width) package.