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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 54HC |
| Packaging | | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | - |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 14-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 14-CDIP |
| ROHS |  |
The CD54HC243F is a high-speed CMOS non-inverting transceiver from Texas Instruments, part of the 54HC logic family. It features a single channel with 3-state outputs, capable of sourcing and sinking 7.8mA. Operating from 2V to 6V, it offers flexibility for both 3.3V and 5V applications. Housed in a 14-CDIP ceramic package, it operates over the full military temperature range of -55°C to 125°C, making it ideal for high-reliability and aerospace applications.
- Wide Supply Voltage (2V to 6V): Enables use in both 3.3V and 5V systems, simplifying mixed-voltage design.
- Hermetic Ceramic Package: Provides superior protection against moisture and mechanical stress, ideal for harsh environments.
- Low Power Consumption: CMOS technology ensures minimal power draw, suitable for battery-powered applications.
- 3-State Outputs: Facilitates bus multiplexing and reduces signal contention in multi-device systems.
Mixed-Voltage Level Shifting
The 2V to 6V supply range allows the CD54HC243F to interface between 3.3V and 5V logic, making it ideal for mixed-voltage systems without additional level shifters.
Bidirectional Bus Buffering
As a transceiver, it can buffer bidirectional data lines in microcontroller systems, improving drive strength and isolating the CPU from bus capacitance.
Low-Power Portable Devices
With CMOS technology, it consumes minimal quiescent power, extending battery life in handheld instruments and portable medical devices.
High-Reliability Aerospace Systems
Rated for -55°C to 125°C and available in a hermetic ceramic package, it is suitable for space and avionics applications where reliability is paramount.
Industrial Sensor Interfaces
Use it to buffer sensor data buses in industrial automation, where its wide voltage range accommodates various sensor supply levels.
Test and Measurement Equipment
The 3-state outputs enable efficient bus sharing in test equipment, allowing multiple instruments to communicate over a common data bus.
- Q: What is the logic family of the CD54HC243F?
- A: It is part of the 54HC (High-Speed CMOS) logic family.
- Q: What function does this IC perform?
- A: It is a non-inverting transceiver with 3-state outputs, used for bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 1 channel, typically an 8-bit transceiver.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for high-impedance states to facilitate bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with both 3.3V and 5V systems.
- Q: What package is available?
- A: It comes in a 14-CDIP (ceramic dual in-line package) with 0.300" width.
CD54HC243F.pdf
- Q: What is the logic family of the CD54HC243F?
- A: It is part of the 54HC (High-Speed CMOS) logic family.
- Q: What function does this IC perform?
- A: It is a non-inverting transceiver with 3-state outputs, used for bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 1 channel, typically an 8-bit transceiver.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for high-impedance states to facilitate bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with both 3.3V and 5V systems.
- Q: What package is available?
- A: It comes in a 14-CDIP (ceramic dual in-line package) with 0.300" width.