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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| 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 (0.300", 7.62mm) |
| ROHS |  |
The CD54HC243F3A is a high-speed CMOS non-inverting transceiver from Texas Instruments, designed for bidirectional data communication. It features a single channel with 3-State outputs, enabling efficient bus-oriented systems. Operating across a wide 2V to 6V supply range, it provides design flexibility for both 3.3V and 5V applications. With a robust temperature range of -55°C to 125°C and a durable 14-pin CDIP package, it is engineered for demanding environments. Its balanced 7.8mA sink and source current capability ensures reliable signal driving in industrial, automotive, and military applications.
- Wide 2V to 6V Supply Range: Compatible with multiple logic levels, simplifying mixed-voltage system design.
- Extended Temperature Range (-55°C to 125°C): Ensures reliable operation in extreme environments like aerospace and industrial.
- 3-State Outputs: Allows multiple devices to share a common bus without data corruption.
- Ceramic CDIP Package: Provides superior thermal and mechanical stability for high-reliability applications.
High-Reliability Bus Interfacing
In aerospace and defense systems, the CD54HC243F3A's 3-State outputs and wide voltage range (2V-6V) enable reliable bidirectional communication between different logic subsystems on a shared data bus, ensuring signal integrity in critical missions.
Industrial Control Signal Buffering
For factory automation, this transceiver buffers control signals between a PLC and remote I/O modules. Its high noise immunity and wide temperature range (-55°C to 125°C) guarantee stable operation in harsh industrial environments.
Level Shifting in Mixed-Voltage Systems
With a 2V to 6V supply range, it can interface 3.3V microcontrollers with 5V peripherals, providing a simple level-shifting solution without additional components, simplifying PCB design.
Military and Avionics Data Acquisition
The ceramic CDIP package and extended temperature range make it ideal for avionics data acquisition units, where it buffers sensor data from multiple sources to a central processor with high reliability.
Telecommunications Line Card Interface
In telecom equipment, the CD54HC243F3A drives and receives signals on backplane buses, where its 3-State outputs prevent bus contention and its CMOS technology ensures low power consumption.
- Q: What is the logic family of the CD54HC243F3A?
- A: It belongs to the CD54HC family, a high-speed CMOS logic series.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 1 channel, ideal for bidirectional data flow.
- Q: What is the output type?
- A: It features 3-State outputs, allowing connection to shared buses.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it versatile for various supply levels.
- Q: What is the package type?
- A: It comes in a 14-pin CDIP (Ceramic Dual In-line Package).
- Q: What is the operating temperature range?
- A: It is rated for -55°C to 125°C, suitable for harsh environments.
CD54HC243F3A.pdf
- Q: What is the logic family of the CD54HC243F3A?
- A: It belongs to the CD54HC family, a high-speed CMOS logic series.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 1 channel, ideal for bidirectional data flow.
- Q: What is the output type?
- A: It features 3-State outputs, allowing connection to shared buses.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it versatile for various supply levels.
- Q: What is the package type?
- A: It comes in a 14-pin CDIP (Ceramic Dual In-line Package).
- Q: What is the operating temperature range?
- A: It is rated for -55°C to 125°C, suitable for harsh environments.