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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74FCT |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 32mA, 64mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 20-SSOP |
The CY74FCT245CTQC from Texas Instruments is a high-speed non-inverting transceiver in the 74FCT logic family. It operates from 4.75V to 5.25V, ideal for 5V systems. With 3-State outputs and bidirectional capability, it enables efficient data flow between two buses. The device provides 32mA source and 64mA sink current, ensuring strong signal drive. Packaged in a 20-SSOP (3.90mm width), it is suitable for space-conscious designs. Typical applications include bus interfacing, memory buffering, and data communication in servers, industrial controls, and test equipment.
- Bidirectional Data Flow: Allows data transfer in both directions, reducing component count in bus interfaces.
- High Sink Current (64mA): Drives heavy capacitive loads and long bus lines with minimal signal degradation.
- 3-State Outputs: Provides bus isolation, preventing data contention and enabling multiple devices to share a bus.
- High-Speed 74FCT Family: Ensures fast propagation delays, suitable for high-performance computing systems.
Bidirectional Bus Transceiving
This transceiver enables bidirectional data transfer between two 5V buses, with direction controlled by a single pin, ideal for memory and peripheral interfaces.
High-Speed Data Acquisition Systems
In data acquisition, the CY74FCT245CTQC buffers data between an ADC and DSP, providing the 64mA sink current needed for fast, reliable signal transfer.
Server Motherboard Communication
Use this transceiver to interface between the CPU and chipset or PCI slots, ensuring high-speed, low-latency communication with robust drive capability.
Industrial Control Backplanes
In PLCs and industrial controllers, this IC isolates and buffers control signals between backplane cards, preventing noise and signal degradation.
Memory Address/Data Buffering
It can buffer address and data lines in 5V memory systems, providing the necessary drive to handle multiple memory chips and long traces.
Test and Measurement Equipment
In benchtop instruments, this transceiver routes signals between different modules, offering high-speed switching and reliable 3-State isolation.
- Q: What is the logic family of the CY74FCT245CTQC?
- A: It belongs to the 74FCT family, known for high-speed, low-power operation.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver, allowing bidirectional data flow between two buses.
- Q: What is the output type?
- A: It features 3-State outputs on both sides, enabling direction control and bus isolation.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, making it suitable for 5V systems.
- Q: What is the output current capability?
- A: It can source 32mA and sink 64mA, providing strong drive for bus lines.
- Q: What package is available?
- A: It comes in a 20-SSOP package with a 3.90mm width, a compact option for dense boards.
CY74FCT245CTQC.pdf
- Q: What is the logic family of the CY74FCT245CTQC?
- A: It belongs to the 74FCT family, known for high-speed, low-power operation.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver, allowing bidirectional data flow between two buses.
- Q: What is the output type?
- A: It features 3-State outputs on both sides, enabling direction control and bus isolation.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, making it suitable for 5V systems.
- Q: What is the output current capability?
- A: It can source 32mA and sink 64mA, providing strong drive for bus lines.
- Q: What package is available?
- A: It comes in a 20-SSOP package with a 3.90mm width, a compact option for dense boards.