40106 is a versatile and reliable CMOS integrated circuit that provides six Schmitt-trigger inverters in a single package, making it a popular choice for digital logic circuit design, It is commonly used in oscillator circuits, pulse generators, and other digital applications where Schmitt-trigger inputs are required.

 

Package Includes:

• 1 x IC Logic Gate 40106 (Hex Inverting Schmitt Trigger)

 

Features:

1. Schmitt-trigger inverters: The 40106 consists of six Schmitt-trigger inverters that provide a stable output by eliminating noise and glitches in the input signal.
2. Wide voltage range: The IC operates over a wide voltage range of 3 V to 15 V, making it suitable for use in a variety of digital electronics applications.
3. High noise immunity: The 40106 has a high noise immunity, which means it is less susceptible to interference from external sources.
4. Low power consumption: The IC has a low power consumption, making it ideal for use in portable or battery-powered devices.
5. Wide operating temperature range: The 40106 can operate over a wide temperature range of -40°C to +125°C, making it suitable for use in harsh environments.
6. Easy to use: The IC is easy to use and requires minimal external components to operate.

 

Description:

The 40106 is a type of integrated circuit (IC) logic gate that consists of six Schmitt-trigger inverters. Schmitt-trigger inverters are logic gates that have hysteresis, which means they have two threshold voltage levels for switching their output. This helps to eliminate noise or glitches in the input signal and ensures a more stable output. The 40106 IC is commonly used in digital electronics, particularly for signal conditioning, waveform generation, and frequency division applications. It operates over a wide voltage range (3 V to 15 V) and has high noise immunity and low power consumption. The 40106 also has a wide operating temperature range (-40°C to +125°C), making it suitable for use in a variety of environments.

 

Principle of Work: 

The 40106 IC is a CMOS (Complementary Metal-Oxide-Semiconductor) device that consists of six Schmitt-trigger inverters. The Schmitt-trigger inverter is a type of logic gate that has hysteresis, which means it has two threshold voltage levels for switching its output. This helps to eliminate noise or glitches in the input signal and ensures a more stable output. When a logic high signal is applied to the input of a Schmitt-trigger inverter, the output will switch to a logic low state. Similarly, when a logic-low signal is applied to the input, the output will switch to a logic-high state. The switching thresholds are determined by the supply voltage and the values of the resistors and capacitors in the circuit. In the 40106 IC, each Schmitt-trigger inverter has two input pins, one for the input signal and one for the input signal compliment, and one output pin. The power supply pins include VDD and VSS, which provide the positive and negative voltage supply to the IC.

To use the 40106 IC, an input signal is applied to one of the input pins of a Schmitt-trigger inverter. The output of the inverter will switch to the opposite logic level based on the input signal and the switching thresholds of the inverter. The output can then be used as an input for other digital circuits, or it can be used to drive a load such as an LED or a motor.

 

Pinout of the Module:

 

Pin Number	Pin Name	Description
1,3,5,11,13,15	Schmitt Input Pins	Input pins of the Schmitt trigger
2,4,6,10,12,14	Schmitt Inverted Output Pins	Output pins of the Schmitt trigger
7	Ground	Connected to the ground of the system
14	Vcc (+5V)	Resets all outputs as low. Must be held high for normal operation

 

Applications: 

• Wave and pulse shapers
• Astable multivibrator
• Monostable multivibrators.
• Noise removing circuits
• Debouncing circuits
• Hysteresis controller
• Dead band filter

 

Circuit:

 

Oscillator example circuit that blinks an LED at a rate of about 1 time per second.

• 9V Battery
• Schmitt Trigger Inverter (CD40106)
• a capacitor of 100 µF (C1)
• 2 x Resistor of 10 kΩ (R1 and R2)
• LED

 

Library:

No library needed

                     

Code: 

No code needed

 

Technical Details:

• Schmitt Trigger – Hex Inverter
• Operating Voltage: 5V
• Low-Level Hysteresis voltage: 0.3V
• High-Level Hysteresis voltage: 3.5V
• Output current High: -1mA
• Output current Low: 1mA
• Quiescent Current: 40 nA
• Propagation Delay Time: 280 ns
• Operating Temperature Range: -55 C to + 125 C

 

Resources:

• Datasheet

 

Comparisons:

 

The 40106 and 74HC14 are both types of IC (integrated circuit) logic gates that belong to the CMOS (complementary metal-oxide-semiconductor) family. They are commonly used for signal processing and voltage level shifting applications.

Here are some differences between the two:

1. Supply Voltage Range: The 40106 has a wider supply voltage range of 3V to 15V, while the 74HC14 has a narrower range of 2V to 6V.
2. Technology: The 40106 is based on the CMOS (Complementary Metal-Oxide-Semiconductor) technology, while the 74HC14 is based on the TTL (Transistor-Transistor Logic) technology. CMOS technology is known for its low power consumption and high noise immunity, while TTL technology is known for its high speed and low power consumption.
3. Input/output characteristics: The 40106 has a higher input impedance (typically 10^12 ohms) than the 74HC14 (typically 10^10 ohms). This makes the 40106 less sensitive to noise and interference. On the other hand, the 74HC14 has a lower output impedance (typically 50 ohms) than the 40106 (typically 400 ohms), which makes it more suitable for driving long cables or other loads with a high capacitance.
4. Pinout: The pinouts of the two ICs are different, which means that they cannot be used interchangeably in the same circuit without making changes to the circuit design.

Both the 40106 and the 74HC14 are hex inverter Schmitt trigger ICs, which means that they contain six individual inverters with Schmitt trigger inputs. The Schmitt trigger inputs in these ICs provide hysteresis, which means that they have two different threshold voltage levels for the input signal. This helps to reduce noise and signal distortion in digital circuits. So while the two ICs have some differences in their characteristics, they both serve the same basic function of providing six inverters Schmitt triggers in a single IC package.