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SN74LS14N
IC INVERT SCHMITT 6CH 1-IN 14DIP
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規格
| Package | Tube |
| Series | 74LS |
| ProductStatus | Active |
| LogicType | Inverter |
| NumberofCircuits | 6 |
| NumberofInputs | 1 |
| Features | Schmitt Trigger |
| Voltage-Supply | 4.75V ~ 5.25V |
| Current-OutputHighLow | 400µA, 8mA |
| LogicLevel-Low | 0.5V |
| LogicLevel-High | 1.9V |
| MaxPropagationDelay@VMaxCL | 22ns @ 5V, 15pF |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Through Hole |
| SupplierDevicePackage | 14-PDIP |
概述
Description
The SN74LS14N is a hex inverting Schmitt trigger, part of Texas Instruments' 74LS series of logic devices. It features six independent inverters, each with a Schmitt trigger input, which provides a sharp transition between high and low states with hysteresis. This characteristic makes the SN74LS14N ideal for enhancing noise immunity and ensuring clean signal transitions in digital circuits.
Operating at a supply voltage of 4.75V to 5.25V, the device can handle input voltages up to 7V, making it suitable for interfacing with various logic levels. It offers fast switching times, typically around 10 nanoseconds, allowing for high-speed applications.
The SN74LS14N is commonly used in applications such as signal conditioning, waveform shaping, and interfacing with sensors. Its compact 14-pin DIP (Dual In-line Package) form factor facilitates easy integration into circuit designs. Overall, the SN74LS14N is a versatile component for improving reliability and performance in digital electronic systems.
Operating at a supply voltage of 4.75V to 5.25V, the device can handle input voltages up to 7V, making it suitable for interfacing with various logic levels. It offers fast switching times, typically around 10 nanoseconds, allowing for high-speed applications.
The SN74LS14N is commonly used in applications such as signal conditioning, waveform shaping, and interfacing with sensors. Its compact 14-pin DIP (Dual In-line Package) form factor facilitates easy integration into circuit designs. Overall, the SN74LS14N is a versatile component for improving reliability and performance in digital electronic systems.
Features
The SN74LS14N is a hex inverter with Schmitt-trigger inputs, featuring the following key characteristics:
1. Hex Inverter: Contains six independent inverters, providing logic inversion with high noise margins.
2. Schmitt-Trigger Inputs: Offers improved noise immunity and faster switching times by incorporating hysteresis in the input switching thresholds.
3. TTL-Compatible: Compatible with Transistor-Transistor Logic (TTL) levels, ensuring easy integration into existing TTL circuits.
4. Wide Supply Voltage Range: Operates typically at 4.75V to 5.25V, suitable for various power supply configurations.
5. Fast Switching Speed: Typical propagation delay of around 10 ns, enabling high-speed applications.
6. Low Power Consumption: Designed for low power usage, with typical supply current being low compared to standard TTL devices.
7. DIP Package: Available in a 14-pin Dual In-line Package (DIP) for easy mounting on circuit boards.
These features make the SN74LS14N ideal for various digital logic applications, including signal conditioning and waveform shaping.
1. Hex Inverter: Contains six independent inverters, providing logic inversion with high noise margins.
2. Schmitt-Trigger Inputs: Offers improved noise immunity and faster switching times by incorporating hysteresis in the input switching thresholds.
3. TTL-Compatible: Compatible with Transistor-Transistor Logic (TTL) levels, ensuring easy integration into existing TTL circuits.
4. Wide Supply Voltage Range: Operates typically at 4.75V to 5.25V, suitable for various power supply configurations.
5. Fast Switching Speed: Typical propagation delay of around 10 ns, enabling high-speed applications.
6. Low Power Consumption: Designed for low power usage, with typical supply current being low compared to standard TTL devices.
7. DIP Package: Available in a 14-pin Dual In-line Package (DIP) for easy mounting on circuit boards.
These features make the SN74LS14N ideal for various digital logic applications, including signal conditioning and waveform shaping.
Package
The SN74LS14N is packaged in a dual in-line package (DIP) format, specifically the 14-pin DIP. It can also be found in other package types like SOIC, but the "N" designation typically refers to the standard 14-pin DIP.
Pinout
The SN74LS14N is a hex inverter with Schmitt-trigger inputs, part of the Texas Instruments 74LS logic family. It has a total of 14 pins.
Pin Count and Functions:
- Pins 1, 2, 3: Input pins for the first inverter (A1, A2, A3).
- Pins 4, 5, 6: Output pins for the first inverter (Y1, Y2, Y3).
- Pins 9, 10, 11: Input pins for the second inverter (A4, A5, A6).
- Pins 12, 13, 14: Output pins for the second inverter (Y4, Y5, Y6).
- Pin 7: Ground (GND).
- Pin 14: VCC (positive supply voltage).
The device provides robust input characteristics, which allow it to handle slow input signals, making it suitable for a variety of digital logic applications, including signal conditioning and noise filtering.
Pin Count and Functions:
- Pins 1, 2, 3: Input pins for the first inverter (A1, A2, A3).
- Pins 4, 5, 6: Output pins for the first inverter (Y1, Y2, Y3).
- Pins 9, 10, 11: Input pins for the second inverter (A4, A5, A6).
- Pins 12, 13, 14: Output pins for the second inverter (Y4, Y5, Y6).
- Pin 7: Ground (GND).
- Pin 14: VCC (positive supply voltage).
The device provides robust input characteristics, which allow it to handle slow input signals, making it suitable for a variety of digital logic applications, including signal conditioning and noise filtering.
Manufacturer
The SN74LS14N is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments is known for designing and producing a wide range of electronic components, including microcontrollers, processors, and various types of integrated circuits. The SN74LS14N is a hex inverter with Schmitt-trigger inputs, commonly used in digital logic applications. TI primarily serves markets such as automotive, industrial, communications, and consumer electronics, focusing on innovation and providing advanced solutions for electronic design.
Application
The SN74LS14N is a hex Schmitt trigger inverter used in various applications, including signal conditioning, waveform shaping, and digital signal processing. It enhances noise immunity in digital circuits, allowing for clean transitions between high and low states. Common uses include driving TTL inputs, interfacing with sensors, and generating precise clock signals in timing applications. Its versatility makes it suitable for consumer electronics, automotive systems, and industrial automation.
Equivalent
The SN74LS14N is a Schmitt-trigger inverter. Equivalent products include:
1. 74HC14
2. 74HCT14
3. 74LS14
4. 74VHC14
5. MC74HC14
6. 74AC14
These alternatives may vary in voltage levels, speed, and logic families, but they serve similar functions. Always check specific datasheets for compatibility.
1. 74HC14
2. 74HCT14
3. 74LS14
4. 74VHC14
5. MC74HC14
6. 74AC14
These alternatives may vary in voltage levels, speed, and logic families, but they serve similar functions. Always check specific datasheets for compatibility.
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