Overview
The M74HC125B1R is a quad bus buffer with 3-state output, manufactured by STMicroelectronics. Although this component is currently obsolete and no longer in production, it was widely used in various electronic circuits for its buffering and signal isolation capabilities. The device features four independent buffers, each with a 3-state output, allowing for high impedance when the output is in the high-impedance state.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | -0.5 to +7 | V |
| DC Input Voltage (VI) | -0.5 to VCC + 0.5 | V |
| DC Output Voltage (VO) | -0.5 to VCC + 0.5 | V |
| Package Type | 14DIP |
Key Features
- Quad bus buffer with 3-state output
- High impedance output when in the high-impedance state
- Independent buffers for each input/output pair
- Operating voltage range: -0.5 to +7 V
- Compliant with the HC logic family
Applications
The M74HC125B1R is suitable for various applications requiring signal buffering and isolation, such as in digital circuits, data transmission lines, and bus systems. It is particularly useful in scenarios where multiple signals need to be buffered independently without loading the input signals.
Q & A
- What is the M74HC125B1R? The M74HC125B1R is a quad bus buffer with 3-state output manufactured by STMicroelectronics.
- Why is the M74HC125B1R obsolete? The M74HC125B1R is no longer in production and has been replaced by substitute components.
- What is the supply voltage range for the M74HC125B1R? The supply voltage range is -0.5 to +7 V.
- What is the package type of the M74HC125B1R? The package type is 14DIP (Dual In-Line Package).
- What are the key features of the M74HC125B1R? It features quad bus buffering with 3-state output, high impedance output, and independent buffers for each input/output pair.
- Where can the M74HC125B1R be used? It can be used in digital circuits, data transmission lines, and bus systems requiring signal buffering and isolation.
- What are the DC input and output voltage ranges for the M74HC125B1R? The DC input voltage range is -0.5 to VCC + 0.5 V, and the DC output voltage range is also -0.5 to VCC + 0.5 V.
- Is the M74HC125B1R compliant with any specific logic family? Yes, it is compliant with the HC logic family.
- What should I use if the M74HC125B1R is no longer available? You should consider using direct substitutes recommended by the manufacturer or suppliers.
- Where can I find detailed specifications for the M74HC125B1R? Detailed specifications can be found in the datasheet available on official websites and supplier catalogs like Digi-Key and Mouser Electronics.
