74HC4066 PDF

Output capability: non-standard? When nE is LOW the belonging analog switch is turned off. CPD is used to determine the dynamic power dissipation PD in? To avoid drawing VCC current out of terminal nZ, when switch current flows in terminal nY, the voltage drop across the bidirectional switch must not exceed 0. RON maximum variation of ON-resistance between any two channels?? At supply voltages approaching 2 V, the analog switch ON-resistance becomes extremely non-linear.

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Today we are going to examine the 74HC quad bilateral switch IC. My reason for writing this comes from a comment left by a reader on chapter nine of the Arduino tutorial. This was a good suggestion, however the can only switch a current of 10mA per pin. It is also available in surface mount, and other newer package styles. So, what is a quad-bilateral switch? Four switches in one IC. Here is a diagram: Imagine a simple normally-open push button. You press the button, and current can flow through the switch.

Using the 74HC, when current is applied to the E pin, current can pass through from the matching Y pin to the Z pin. As you can see above, there are four of these switches in the IC. This is where the benefit of the IC comes to mind, normally one might use a 1k ohm resistor and an NPN switching transistor as an electronic switch, and I have done so myself.

But when you need a few of them, it can be easier to start using these 74HCs as long as the current requirements are met. With regards to the current the IC can switch, Is, the maximum is 25mA per switch. All these parameters and more are available from the data sheet pdf. Our first demonstration is quite simple — just switch on and off some LEDs via a 74HC shift register and an Arduino. Well that was interesting. I know these simple demonstrations may be… well a little simple, but after taking the time to build them from scratch you get a better understanding of the part and how they work.

Practice makes perfect and all that. Consider the circuit below: The 74HC switches creates a final voltage through the sum of various currents being switched into the final output. First of all, here is a video of the switches being turned on and off one at a time: and the corresponding Arduino sketch: demo2. Well I hope you found this part review interesting, and helped you think of something new to make. Furthermore, this would only apply if the current restrictions of the IC are met.

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74HC4066 = SN74HC4066

Very simple rig for in the backpack! Back to Basics: portable on bare feet in the snow and in the woods with the HIS transceiver. That is where it is designed for! Enjoying the country air and the beautiful landscape, how nice and varied the radio hobby can be.

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Today we are going to examine the 74HC quad bilateral switch IC. My reason for writing this comes from a comment left by a reader on chapter nine of the Arduino tutorial. This was a good suggestion, however the can only switch a current of 10mA per pin. It is also available in surface mount, and other newer package styles. So, what is a quad-bilateral switch? Four switches in one IC.

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