An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters . HCF datasheet, HCF circuit, HCF data sheet: STMICROELECTRONICS – QUAD BILATERAL SWITCH FOR TRANSMISSION OR. HCF Datasheet, HCF PDF, HCF Data sheet, HCF manual, HCF pdf, HCF, datenblatt, Electronics HCF, alldatasheet, free.

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I have a problem with my Midifly series. If the switching signal is marginal, or not filtered well, then you can have problems with some manufacturer’s CD parts and some models of those parts in some cases.

ST Microelectronics – datasheet pdf

In this circuit, we will show the basic functionality of the chip by passing analog signals through 2 of the switches by digital control. For me it was only a pain in battery powered circuits since voltage varies a little and current is a concern – I had to put some actual thought into what I was doing. This is image of IC this is the pictures of both Ic Each switch has an input, output, and control terminal. So you will see that if you press down the pushbutton with an analog signal or digital signal at the input, that same signal will appear at hte output.


(PDF) HCF4066 Datasheet download

Like Paul said – if you use a socket you will eliminate a lot of the problems that could happen replacing an IC like this. Support Center Complete list and gateway to support services and resource pools. That’s not to say that the TI ICs will work here or datsheet other issues might not exist, but if one brand if does not work and you have eliminated everything else – it’s not crazy to try another brand.

A CD is a CD Selectors Simulators and Models. May 26, If so, I wonder if that might be a factor. The Parker Guitars Forum.

I guess they can be finicky things, eh? Originally posted by Paul Marossy Really? Same pinouts, same description of what it does, etc.

The other possibility is that the PCB had been damaged with the replacement of that part or there is a cold solder joint. What this means is we feed an analog signal into the input of the switch and it reaches the output only if a HIGH digital signal is fed into the control or enable terminal. For this circuit, we are only going to be using 2 of the 4 switches. General terms and conditions.

HCF4066 Ver la hoja de datos (PDF) – STMicroelectronics

The quad bilateral switch chip is a chip that is made up of 4 switches. Product is in volume production. CMOS devices can be damaged by static electricity simply by touching them out of ncf4066 with your bare hands, and it gets worse from there.


It doesn’t matter who made it, or if there is a different “code” on it.


May 27, Without the control or enable switch, there can be no output. I would either have third party look fatasheet it to determine if the repair work is at fault or not, or see if you can get a new circuitboard. ST Code of Conduct Blog.

The has a wide operating voltage of 5VV. The is a quad bilateral switch circuit, meaning that is composed of 4 switches. I hadn’t thought of that When pressed datasbeet, the pushbutton makes the signal HIGH. Rad-hard, high voltage, CMOS logic series.

The radiation hardness, single event latch-up SELsingle event upset SEU immunity, and the housing in hermetic packages darasheet all types of both series make them usable in the most difficult environmental conditions. Been there, done that.