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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 | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 15mA, 64mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC (0.295", 7.50mm Width) |
The CD74FCT2245TM is a high-speed non-inverting transceiver from Harris Corporation, designed for 5V digital systems. It features a single channel with 3-State outputs, providing excellent drive capability with 15mA source and 64mA sink current. Operating within a 4.75V to 5.25V supply range, this transceiver is ideal for bidirectional bus applications, memory interfacing, and signal buffering. Its 20-SOIC package is suitable for space-constrained designs, while the -40°C to 85°C temperature range ensures reliable performance in industrial environments.
- High Sink Current (64mA): Drives heavy capacitive loads and long bus lines with fast edge rates, improving signal integrity.
- Bidirectional Data Flow: Simplifies bus design by allowing data transmission in both directions.
- 3-State Outputs: Enables bus multiplexing and system isolation, preventing data contention.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial and automotive applications.
Bidirectional Bus Interfacing
Use the CD74FCT2245TM to interface a microcontroller with a bidirectional data bus. The 3-State outputs allow the bus to be shared with other peripherals without conflict.
Memory Data Bus Buffering
Buffer the data bus between a CPU and memory modules. The high sink current (64mA) ensures fast write operations to memory, while the 3-State feature allows for memory bank selection.
Level Shifting in Mixed-Voltage Systems
While designed for 5V, this transceiver can be used to interface between 5V logic and other 5V-compatible devices, ensuring clean signal levels and preventing damage from voltage mismatches.
Peripheral Device Isolation
Isolate a peripheral device from the main system bus. When the device is not in use, the outputs can be set to high-impedance, reducing power consumption and preventing bus contention.
Industrial Sensor Data Acquisition
In industrial systems, use this transceiver to collect data from multiple sensors. The bidirectional capability allows for both configuration and data readback from sensors.
Telecommunications Line Cards
Use in telecom line cards for data transfer between the line interface and the switching fabric. The robust drive capability ensures signal integrity over backplane traces.
- Q: What is the logic family of the CD74FCT2245TM?
- A: This device is from the FCT (Fast CMOS TTL) logic family, offering high-speed performance with TTL-compatible inputs and outputs.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting transceiver, enabling bidirectional data transfer between two buses.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and preventing data contention.
- Q: What is the operating voltage range?
- A: The recommended supply voltage is between 4.75V and 5.25V, making it suitable for standard 5V systems.
- Q: What is the package type?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) surface-mount package.
- Q: What are the output current capabilities?
- A: It can source 15mA and sink 64mA, providing robust drive for bus lines and capacitive loads.
CD74FCT2245TM.pdf
- Q: What is the logic family of the CD74FCT2245TM?
- A: This device is from the FCT (Fast CMOS TTL) logic family, offering high-speed performance with TTL-compatible inputs and outputs.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting transceiver, enabling bidirectional data transfer between two buses.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and preventing data contention.
- Q: What is the operating voltage range?
- A: The recommended supply voltage is between 4.75V and 5.25V, making it suitable for standard 5V systems.
- Q: What is the package type?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) surface-mount package.
- Q: What are the output current capabilities?
- A: It can source 15mA and sink 64mA, providing robust drive for bus lines and capacitive loads.