Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74LS |
| ProductStatus | Active |
| LogicType | AND Gate |
| NumberofCircuits | 4 |
| NumberofInputs | 2 |
| Voltage-Supply | 4.75V ~ 5.25V |
| Current-OutputHighLow | 400µA, 8mA |
| LogicLevel-Low | 0.8V |
| LogicLevel-High | 2V |
| MaxPropagationDelay@VMaxCL | 20ns @ 5V, 15pF |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Surface Mount |
| SupplierDevicePackage | 14-SOIC |
Tổng quan
Description
The SN74LS08DR is a quad 2-input positive-AND gate integrated circuit from Texas Instruments, part of the 74LS series. It is designed for applications requiring a straightforward logic operation with TTL (Transistor-Transistor Logic) compatibility. The chip contains four independent gates, each performing a logical AND function, making it suitable for various digital circuits requiring multiple AND operations.
Notable features of the SN74LS08DR include a wide operating voltage range from 4.75V to 5.25V, low power consumption, and a fast response time, which is typical of the low-power Schottky family. Its design allows for easy integration into digital systems, ensuring reliable performance across standard temperature ranges.
Encapsulated in a SOIC-14 (Small Outline Integrated Circuit) package, the SN74LS08DR is convenient for surface-mount PCB applications. This chip is ideal for educational purposes, prototyping, or any project requiring basic digital logic functions, offering robust support for AND logic operations in a compact form factor.
Notable features of the SN74LS08DR include a wide operating voltage range from 4.75V to 5.25V, low power consumption, and a fast response time, which is typical of the low-power Schottky family. Its design allows for easy integration into digital systems, ensuring reliable performance across standard temperature ranges.
Encapsulated in a SOIC-14 (Small Outline Integrated Circuit) package, the SN74LS08DR is convenient for surface-mount PCB applications. This chip is ideal for educational purposes, prototyping, or any project requiring basic digital logic functions, offering robust support for AND logic operations in a compact form factor.
Equivalent
The SN74LS08DR is a quad 2-input AND gate IC. Equivalent products include:
1. SN74HC08 - Texas Instruments
2. CD74HC08 - Texas Instruments/ON Semiconductor
3. MC74HC08 - ON Semiconductor
4. 74HC08 - Nexperia/Philips
5. 74LVC08 - Nexperia/Philips
6. HCF4081 - STMicroelectronics
These alternatives typically share the same pin configuration and functionality but may differ in voltage levels and speed. Always check datasheets for specific requirements.
1. SN74HC08 - Texas Instruments
2. CD74HC08 - Texas Instruments/ON Semiconductor
3. MC74HC08 - ON Semiconductor
4. 74HC08 - Nexperia/Philips
5. 74LVC08 - Nexperia/Philips
6. HCF4081 - STMicroelectronics
These alternatives typically share the same pin configuration and functionality but may differ in voltage levels and speed. Always check datasheets for specific requirements.
Features
The SN74LS08DR is a quad 2-input positive AND gate integrated circuit from Texas Instruments. Key features include:
1. Logic Functionality: It contains four independent AND gates, each having two inputs.
2. High-Speed Operation: Designed for high-speed processing, it is suitable for applications requiring fast logic operations.
3. TTL Compatibility: Works well with TTL logic levels, making it suitable for interfacing with other TTL devices.
4. Operating Voltage: Typically operates at a supply voltage (Vcc) ranging from 4.75V to 5.25V.
5. Temperature Range: Supports an operating temperature range from 0°C to 70°C, suitable for commercial environments.
6. Package Type: Available in a SOIC-14 package, which is surface-mount and compact.
7. Propagation Delay: Features a low propagation delay, enhancing its performance in synchronous applications.
8. Low Power Consumption: Despite high-speed operation, it maintains a low power consumption profile.
9. Noise Margin: Provides good noise immunity, ensuring reliable performance in digital circuits.
These features make the SN74LS08DR an ideal choice for applications in digital electronics that require efficient and reliable logic gate operations.
1. Logic Functionality: It contains four independent AND gates, each having two inputs.
2. High-Speed Operation: Designed for high-speed processing, it is suitable for applications requiring fast logic operations.
3. TTL Compatibility: Works well with TTL logic levels, making it suitable for interfacing with other TTL devices.
4. Operating Voltage: Typically operates at a supply voltage (Vcc) ranging from 4.75V to 5.25V.
5. Temperature Range: Supports an operating temperature range from 0°C to 70°C, suitable for commercial environments.
6. Package Type: Available in a SOIC-14 package, which is surface-mount and compact.
7. Propagation Delay: Features a low propagation delay, enhancing its performance in synchronous applications.
8. Low Power Consumption: Despite high-speed operation, it maintains a low power consumption profile.
9. Noise Margin: Provides good noise immunity, ensuring reliable performance in digital circuits.
These features make the SN74LS08DR an ideal choice for applications in digital electronics that require efficient and reliable logic gate operations.
Pinout
The SN74LS08DR is a quad 2-input positive-AND gate integrated circuit. It is part of the 74LS family of logic gates and is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) form factor. The pin count of the SN74LS08DR is 14 pins.
Here is a brief description of its pin functions:
1. Pin 1, 2, 4, 5, 9, 10, 12, 13: These are the input pins for the four AND gates, with each gate having two input pins.
2. Pin 3, 6, 8, 11: These are the output pins for the four AND gates. Each output corresponds to its respective pair of inputs.
3. Pin 7: This is the ground (GND) pin and should be connected to the system ground.
4. Pin 14: This is the positive supply voltage (Vcc) pin and should be connected to the system's power supply.
The SN74LS08DR performs the logical AND operation, where the output is high only when both inputs of the gate are high.
Here is a brief description of its pin functions:
1. Pin 1, 2, 4, 5, 9, 10, 12, 13: These are the input pins for the four AND gates, with each gate having two input pins.
2. Pin 3, 6, 8, 11: These are the output pins for the four AND gates. Each output corresponds to its respective pair of inputs.
3. Pin 7: This is the ground (GND) pin and should be connected to the system ground.
4. Pin 14: This is the positive supply voltage (Vcc) pin and should be connected to the system's power supply.
The SN74LS08DR performs the logical AND operation, where the output is high only when both inputs of the gate are high.
Manufacturer
The manufacturer of the SN74LS08DR is Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. The company is one of the most prominent players in the semiconductor industry and supplies a wide range of products, including analog chips, embedded processors, and digital light processing technology. TI's products are used in various applications across different sectors, such as automotive, industrial, personal electronics, and communications.
Application
The SN74LS08DR is a quad 2-input positive AND gate integrated circuit, primarily used in digital logic applications. Its key application areas include:
1. Digital Signal Processing: For performing logical conjunction operations in circuits.
2. Control Systems: Used in control logic designs for industrial automation and consumer electronics.
3. Data Routing: Facilitates data flow control in communication systems.
4. Arithmetic Circuits: Integral in building more complex arithmetic logic units.
5. Embedded Systems: Used in microcontroller-based systems for decision-making processes.
6. Timing Circuits: Helps in creating precise timing and synchronization functions.
These applications leverage the IC’s reliability, speed, and compatibility with TTL logic families.
1. Digital Signal Processing: For performing logical conjunction operations in circuits.
2. Control Systems: Used in control logic designs for industrial automation and consumer electronics.
3. Data Routing: Facilitates data flow control in communication systems.
4. Arithmetic Circuits: Integral in building more complex arithmetic logic units.
5. Embedded Systems: Used in microcontroller-based systems for decision-making processes.
6. Timing Circuits: Helps in creating precise timing and synchronization functions.
These applications leverage the IC’s reliability, speed, and compatibility with TTL logic families.
Package
The SN74LS08DR is a quad 2-input positive-AND gate integrated circuit. It is packaged in a Small Outline Integrated Circuit (SOIC) form, specifically the "DR" variant, which refers to a 14-pin plastic SOIC package designed for surface-mount technology.
