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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 CY74FCT245DTQC from Texas Instruments is a high-speed 5V transceiver designed for bidirectional bus communication. It features 3-State outputs and can sink 32mA or source 64mA, providing excellent drive capability. Operating from 4.75V to 5.25V, it is compatible with standard TTL logic levels. The 20-pin SSOP package is compact and suitable for space-constrained designs. Ideal for memory interfacing, industrial control, and telecom applications.
- High Drive Current (64mA Source): Can drive heavily loaded buses and long cables without signal degradation.
- Bidirectional Operation: Simplifies PCB layout by allowing data flow in both directions with a single device.
- 3-State Outputs: Enables multiple devices to share the same bus safely.
- 5V Compatibility: Directly interfaces with legacy 5V logic systems without level shifting.
5V Bus Transceiving
The CY74FCT245DTQC is ideal for bidirectional data transfer between two 5V buses, such as in microprocessor systems or peripheral controllers.
Memory Data Bus Isolation
Use it to isolate the data bus between a CPU and memory banks, allowing multiple memory devices to be connected without loading the bus.
High-Speed Data Acquisition
With 32mA sink and 64mA source capability, it can drive high-speed ADC/DAC data buses, ensuring fast and reliable data transfer.
Industrial PLC I/O Modules
The 5V operation and robust drive strength make it suitable for PLC backplane communication, handling control signals between modules.
Telecom Switching Systems
In legacy 5V telecom equipment, this transceiver can buffer and route data between line cards and the main switch fabric.
Test and Measurement Equipment
Its high drive current and 3-State outputs are perfect for routing test signals in automated test equipment (ATE).
- Q: What logic family does the CY74FCT245DTQC belong to?
- A: It is part of the 74FCT logic family, known for high-speed, low-power operation.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting transceiver with 3-State outputs, enabling bidirectional data flow.
- Q: How many channels does it have?
- A: It has 1 channel (8-bit bus transceiver).
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, making it compatible with standard 5V logic.
- Q: What package is available?
- A: It comes in a 20-pin SSOP (0.154", 3.90mm Width) package.
CY74FCT245DTQC.pdf
- Q: What logic family does the CY74FCT245DTQC belong to?
- A: It is part of the 74FCT logic family, known for high-speed, low-power operation.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting transceiver with 3-State outputs, enabling bidirectional data flow.
- Q: How many channels does it have?
- A: It has 1 channel (8-bit bus transceiver).
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, making it compatible with standard 5V logic.
- Q: What package is available?
- A: It comes in a 20-pin SSOP (0.154", 3.90mm Width) package.