The part number "SN74HC14N" corresponds to a product from Texas Instruments (TI). It is a Hex Inverter with Schmitt Trigger in the 14-pin Dual In-line Package (DIP-14) configuration.
Package: DIP-14
Number of Pins: 14 pins. Here's the detailed pinout and function for each pin:
Pin Number Pin Name Function Description 1 A1 Input pin for the first inverter circuit. 2 Y1 Output pin for the first inverter circuit. 3 A2 Input pin for the second inverter circuit. 4 Y2 Output pin for the second inverter circuit. 5 A3 Input pin for the third inverter circuit. 6 Y3 Output pin for the third inverter circuit. 7 GND Ground pin. Connect to the system ground. 8 A4 Input pin for the fourth inverter circuit. 9 Y4 Output pin for the fourth inverter circuit. 10 A5 Input pin for the fifth inverter circuit. 11 Y5 Output pin for the fifth inverter circuit. 12 A6 Input pin for the sixth inverter circuit. 13 Y6 Output pin for the sixth inverter circuit. 14 VCC Power supply pin. Connect to the positive supply voltage (typically +5V or +3.3V).Circuit Principle and Function:
The SN74HC14N is a Hex Inverter that contains six independent inverters, each having a Schmitt Trigger input. The Schmitt Trigger is used to convert a noisy or slow input signal into a clean digital signal by applying hysteresis to the input voltage. Each inverter is a logic NOT gate, which means it outputs the opposite of the input signal.
The Hex Inverter provides logic inversion with higher input noise immunity due to the Schmitt trigger feature, making it useful in applications where the input signals may be noisy or not sharply defined.
FAQ: 20 Common Questions
Q: What is the main function of the SN74HC14N? A: The SN74HC14N is a hex inverter with Schmitt trigger inputs, used to invert logic signals with noise immunity.
Q: What is the pin count of the SN74HC14N? A: The SN74HC14N has 14 pins.
Q: What type of package does the SN74HC14N come in? A: The SN74HC14N comes in a 14-pin Dual In-line Package (DIP-14).
Q: What is the voltage supply range for the SN74HC14N? A: The SN74HC14N operates with a supply voltage range from 2V to 6V.
Q: How many inverters are there in the SN74HC14N? A: There are six independent inverters in the SN74HC14N.
Q: What is the function of the Schmitt trigger in the SN74HC14N? A: The Schmitt trigger provides noise immunity by converting slow or noisy input signals into clean, sharp digital transitions.
Q: What is the logic level input voltage for the SN74HC14N? A: The input voltage levels are typically defined by the VCC level, with logic low being below 1.5V and logic high being above 3.5V when VCC is 5V.
Q: How does the output of the SN74HC14N behave? A: The output of the SN74HC14N is the inverse of the input, meaning it will output a logic 1 if the input is a logic 0 and vice versa.
Q: Can the SN74HC14N handle high-speed signals? A: Yes, the SN74HC14N can handle high-speed signals due to the high-speed CMOS technology and Schmitt trigger inputs.
Q: What is the input impedance of the SN74HC14N? A: The input impedance is typically very high (in the megaohm range), as expected from CMOS logic devices.
Q: Is the SN74HC14N used in TTL or CMOS circuits? A: The SN74HC14N is a CMOS logic device.
Q: Can the SN74HC14N be used in 3.3V circuits? A: Yes, it can be used in 3.3V circuits, provided the input voltage levels are within the specified limits for 3.3V operation.
Q: What is the maximum input voltage for the SN74HC14N? A: The maximum input voltage should not exceed VCC + 0.5V, which is typically 6.5V for a 5V supply.
Q: What is the output current drive capability of the SN74HC14N? A: The output drive capability is typically around 6mA for a high output and -6mA for a low output.
Q: Can the SN74HC14N be used in battery-powered circuits? A: Yes, the SN74HC14N is power-efficient and can be used in battery-powered circuits, especially with supply voltages like 3.3V or 5V.
Q: How should the SN74HC14N be connected to a microcontroller? A: The inputs should be connected to the microcontroller's output pins, and the outputs of the SN74HC14N can be connected to other logic circuits or devices requiring inverted signals.
Q: What is the typical propagation delay of the SN74HC14N? A: The typical propagation delay for the SN74HC14N is around 8ns to 12ns, depending on the supply voltage.
Q: Can I use the SN74HC14N in logic level conversion? A: Yes, the SN74HC14N can be used for logic level conversion, especially in noisy environments where clean signal inversion is required.
Q: Is the SN74HC14N compatible with 5V logic systems? A: Yes, the SN74HC14N is fully compatible with 5V logic systems, which is its typical operating voltage.
Q: What is the recommended temperature range for the SN74HC14N? A: The recommended operating temperature range for the SN74HC14N is -40°C to +125°C.
This covers the SN74HC14N’s pinout, detailed functionality, and frequently asked questions. Let me know if you need further clarification or additional details!
