74VHC221AFT Integrated Circuits (ICs)

Series:	Automotive, AEC-Q100, 74VHC
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	Monostable
Independent Circuits:	2
Schmitt Trigger Input:	No
Propagation Delay:	9.6ns
Current - Output High, Low:	8mA, 8mA
Voltage - Supply:	2V ~ 5.5V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	74VHC221

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Application Field and Working Principle of 74VHC221AFT

The 74VHC221AFT is a logic device belonging to the logic family of multivibrators. It is designed for high-speed operation at 3.3 volts and can be used in a wide range of applications. This device is suitable for use in applications such as data switching, timing, or frequency division.

What Are Multivibrators?

Multivibrators are logic circuits that generate different waveforms and trigger signals. They are widely used in various applications such as timing and frequency division circuits and in data switching. The 74VHC221AFT is a type of bistable multivibrator, which is a type of multivibrator where two stable states exist, one representing a logic 1 and the other a logic 0. This allows the device to be used to trigger events such as sampling and clocking.

How Does the 74VHC221AFT Work?

The 74VHC221AFT has two inputs, A and B, and two outputs, Q and Q’. A and B are active-low inputs, meaning that when either one is low, the output changes state. When A and B are both high, the chip maintains its current output state. At power-up the device is in an unknown state. To force the device into a known state for circuit initialization, both inputs A and B must be put low. This sets the output Q low and the inverse output Q’ high. After the initialization, the 74VHC221AFT can be used to create various waveforms. The behavior of the device when either input is changed can be used to generate various waveforms. When A is low and B is high, Q output will be high and inverse output Q’ will be low. When A is high and B is low, Q will be low and Q’ will be high. When both inputs A and B are brought high, the output Q and inverse output Q’ will retain their previous state.The 74VHC221AFT can also be used to create a monostable multivibrator by connecting B to the Q output through an external capacitor and a resistor. The capacitor will hold a voltage and the resistor will charge the capacitor when B is low. The capacitor will then start to discharge when B goes high. This can be used to generate pulse-width modulation (PWM) waveforms for use in motor control applications.

Applications of the 74VHC221AFT

The 74VHC221AFT can be used in many applications, including:

• Timing circuits
• Frequency division
• Data switching
• Pulse-Width Modulation (PWM) waveforms
• Motor control
• Logic interfacing

The 74VHC221AFT is an ideal choice for a wide range of applications due to its versatility and low power consumption. It is suitable for use in systems that require high speed operation, such as televisions, radio receivers, and digital cameras.

Conclusion

The 74VHC221AFT is a versatile logic device belonging to the family of multivibrators. It is designed for high-speed operation at 3.3 volts, and can be used for a wide range of applications such as timing and frequency division, data switching, and motor control. It is an ideal solution for any system that requires low power consumption and high speed operation.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description