74LVC11DB,118

Current - Output High, Low:	24mA, 24mA
Base Part Number:	74LVC11
Package / Case:	14-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	14-SSOP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Max Propagation Delay @ V, Max CL:	6.2ns @ 3.3V, 50pF
Logic Level - High:	1.08 V ~ 2 V
Logic Level - Low:	0.12 V ~ 0.8 V
Series:	74LVC
Current - Quiescent (Max):	10µA
Voltage - Supply:	1.2 V ~ 3.6 V
Features:	--
Number of Inputs:	3
Number of Circuits:	3
Logic Type:	AND Gate
Part Status:	Last Time Buy
Packaging:	Tape & Reel (TR)

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74LVC11DB118 Application Field and Working Principle

The 74LVC11DB118 is a logic gate series belonging to the 74LVC family of low voltage CMOS logic products. It is designed to operate between 1.65V and 3.6V, meeting the requirements for low power consumption in battery powered applications and for powering active logic functions. The 74LVC11DB118 combines an open-drain buffer with an open-drain inverter, providing two simple logic elements with low power consumption.

Logic - Gates and Inverters

Logic gates and inverters are basic building blocks of most digital circuits. Logic gates are devices that perform functions such as AND, OR, NAND and NOR. Inverters are devices that convert logic signals from one form to another. Gates and inverters are commonly used to construct combinational logic circuits, which implement Boolean functions.The 74LVC11DB118 is an example of a logic gate and inverter combination. It is composed of two separate elements that both operate independently. The first is a two-input open-drain buffer, while the second is an inverter. Both elements are designed to operate over a wide range of power supply voltages, allowing the device to be used in a variety of applications.

Application Field

The open-drain buffer and inverter combination offered by the 74LVC11DB118 makes it a suitable solution for a variety of low power applications. The buffer is ideal for connecting one signal to multiple destinations and for the conversion of signals between logic families. Its open-drain structure eliminates the need for external pull-up or pull-down resistors.The inverter is ideal for generating a logic signal from a data signal, for example for logic compatibility. It can also be used for level shifting as it can be powered with a separate voltage from the signal being inverted. This allows the voltage levels of the input and output signals to be different, which can be invaluable in certain applications.The device is also suitable for use in low voltage circuits, such as those powered by Li-ion batteries. This makes it ideal for many mobile and handheld applications, such as portable medical instruments, wireless communication devices and GPS receivers.

Working Principle

The 74LVC11DB118 offers users a way of implementing low power logic functions using CMOS logic technology. CMOS logic provides a range of advantages over other logic families, including low power consumption, high noise immunity and a wide operating voltage range.The open-drain buffer is designed such that when one of the two inputs is low, the buffer will output the signal to all destinations. When the input is high, the buffer will not output any signal. This allows multiple destinations to be driven from a single signal source, thus conserving power.The inverter is designed to convert the signal from one logic state to the other, for example from low to high, or high to low. The open-drain structure of the inverter allows it to be powered with a separate voltage from the signal being inverted. This allows the voltage levels to be different, which can be invaluable in certain applications.

Conclusion

The 74LVC11DB118 is a logic gate series offering a two-input open-drain buffer and inverter combination. It is designed to operate between 1.65V and 3.6V, allowing it to be used in a variety of low power applications. This makes it ideal for many mobile and handheld products, such as portable medical instruments, wireless communication devices and GPS receivers. By combining two simple logic elements, the 74LVC11DB118 provides a useful solution for implementing low power logic functions using CMOS logic technology.

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