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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 4000B |
| Packaging | Tube | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 6 |
| Number of Bits per Element | 1 |
| Input Type | - |
| Output Type | Push-Pull |
| Current - Output High, Low | 8mA, 48mA |
| Voltage - Supply | 3V ~ 18V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-PDIP |
| ROHS |  |
The CD4050BEE4 from Texas Instruments is a 6-channel non-inverting buffer in the 4000B logic family. Operating from 3V to 18V, it sources 8mA and sinks 48mA per output. The push-pull output stage drives capacitive loads effectively. Packaged in a 16-DIP, it is ideal for through-hole PCB designs requiring high-voltage level shifting or signal buffering.
- Wide 3V to 18V Supply Range: Interfaces with both low-voltage CMOS and high-voltage industrial logic.
- High Sink Current (48mA): Drives relays, LEDs, and long cables directly.
- 6 Independent Channels: Buffers multiple signals in a single package, saving board space.
- Extreme Temperature Range (-55°C to 125°C): Suitable for military and aerospace applications.
Level Shifting from High-Voltage Logic to Low-Voltage CMOS
The CD4050BEE4 can shift signals from 12V or 15V logic down to 5V or 3.3V CMOS levels. Its wide 3V-18V supply range allows the high-voltage side to be powered directly, while the push-pull output drives low-voltage loads without additional circuitry.
Driving High-Capacitance Cables
With 48mA sink capability, this buffer can drive long cables and high-capacitance loads in industrial control systems. The push-pull output maintains fast edge rates, reducing signal distortion over distance.
Interfacing with Electromechanical Relays
In relay driver circuits, the CD4050BEE4 provides sufficient current to energize relay coils (with external flyback diodes). Its high-voltage tolerance allows direct connection to 12V relay supplies.
Multi-Channel Sensor Signal Buffering
For systems with multiple analog or digital sensors, the 6-channel buffer conditions all signals uniformly. The wide temperature range (-55°C to 125°C) makes it suitable for aerospace and military sensor interfaces.
Legacy 5V System Expansion
When expanding older 5V systems with higher-voltage peripherals, this buffer provides a safe interface. Its 4000B family heritage ensures compatibility with slow-speed control signals.
- Q: What is the logic family of the CD4050BEE4?
- A: It belongs to the 4000B family, operating from 3V to 18V.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 6 channels, ideal for level shifting and driving high-capacitance loads.
- Q: What is the output type?
- A: It features push-pull outputs, providing both source and sink current capability.
- Q: What are the current ratings?
- A: It can source 8mA and sink 48mA per output.
- Q: What is the package type?
- A: It comes in a 16-DIP (0.300", 7.62mm) package, suitable for through-hole mounting.
- Q: What is the operating temperature range?
- A: It operates from -55°C to 125°C (TA), covering extreme environments.
CD4050BEE4.pdf
- Q: What is the logic family of the CD4050BEE4?
- A: It belongs to the 4000B family, operating from 3V to 18V.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with 6 channels, ideal for level shifting and driving high-capacitance loads.
- Q: What is the output type?
- A: It features push-pull outputs, providing both source and sink current capability.
- Q: What are the current ratings?
- A: It can source 8mA and sink 48mA per output.
- Q: What is the package type?
- A: It comes in a 16-DIP (0.300", 7.62mm) package, suitable for through-hole mounting.
- Q: What is the operating temperature range?
- A: It operates from -55°C to 125°C (TA), covering extreme environments.