Overview
The SN74LS09DR, manufactured by Texas Instruments, is a logic chip classified under the AND gate category. This device is designed as a quadruple 2-input positive AND gate with open-collector outputs, making it suitable for various digital logic applications. It is packaged in an SOIC-14 form factor, ensuring compatibility with surface-mount technology (SMT). The SN74LS09DR is particularly valued for its high-speed performance and reliability, making it a preferred choice for industrial and commercial applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Function | Quad 2-input AND gate | - | Open-collector outputs |
| Package | SOIC-14 | - | Surface-mount |
| Supply Voltage (Min) | 4.75 | V | - |
| Supply Voltage (Max) | 5.25 | V | - |
| Operating Temperature | 0 to 70 | °C | - |
| Propagation Delay | 35 | ns | - |
| Low-Level Output Current | 8 | mA | - |
| High-Level Output Current | -0.1 | mA | - |
| Number of Channels | 4 | - | - |
| Inputs per Channel | 2 | - | - |
Key Features
- Quad 2-input AND gate functionality with open-collector outputs.
- High-speed operation with a propagation delay of 35 ns.
- Wide operating voltage range from 4.75 V to 5.25 V.
- Surface-mount SOIC-14 package for compact design and easy integration.
- Reliable performance in commercial temperature ranges (0°C to 70°C).
Applications
The SN74LS09DR is widely used in digital logic circuits, including industrial control systems, consumer electronics, and automotive applications. Its open-collector outputs make it ideal for implementing wired-AND or wired-OR functions in complex logic designs. Additionally, it is commonly employed in signal processing, data transmission, and microcontroller interfacing due to its robust performance and compatibility with TTL logic levels.
Q & A
1. What is the function of the SN74LS09DR?
The SN74LS09DR is a quadruple 2-input positive AND gate with open-collector outputs.
2. What is the operating voltage range of the SN74LS09DR?
The operating voltage ranges from 4.75 V to 5.25 V.
3. What is the propagation delay of the SN74LS09DR?
The propagation delay is 35 ns.
4. What package does the SN74LS09DR use?
It is packaged in an SOIC-14 form factor.
5. What is the maximum operating temperature of the SN74LS09DR?
The maximum operating temperature is 70°C.
6. Can the SN74LS09DR be used in automotive applications?
Yes, it is suitable for automotive applications due to its robust performance.
7. What is the output type of the SN74LS09DR?
It features open-collector outputs.
8. How many channels does the SN74LS09DR have?
It has four independent channels.
9. What is the low-level output current of the SN74LS09DR?
The low-level output current is 8 mA.
10. Is the SN74LS09DR compatible with TTL logic levels?
Yes, it is fully compatible with TTL logic levels.
