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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Paul Marossy Hero Member Posts: My vote is for a datahseet solder joint, a solder bridge, or the PCB being damaged from the process of removing the old chip. Rad-hard, high voltage, CMOS logic series.

Engineering Model quality level. 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. It can be obtained cheaply at a number of online electronic retailers. IoT for Smart Things. Communications Equipment, Computers and Peripherals. Thanks all, I will upload the picture soon.

This means that either side of the switch can be used as the input. As long as it is a CD, it should work. This hcc4066 sufficient power to the chip. If the pushbuttons are not pressed down, then no signal will appear at the outputs.

Please contact our sales support for information on specific devices. Who We Are Management. You can view the control terminal as the signal which closes the switch so that the input signal can hc4066 over to the output.


ST Microelectronics

The pinout of the chip is shown below. The Parker Guitars Forum. I have a problem with my Midifly series. Dafasheet not to say that the TI ICs will work here or that 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.

I don’t know if a replacement board is available, you’d have to talk to Parker customer service about that. First, to power thewe connect 5V of power to V DDpin 14, and we connect the ground pin, pin 7, to ground.


Product is in design feasibility stage. A bilateral switch acts as a single pole, single throw switch. May 26, This enables the signal at the input to go to the output. I would either have third party look at it to determine if datashewt repair work is at fault or not, or see if you can get a dataxheet circuitboard.

Support Center Complete list and gateway to support services and resource pools. To the inputs of the 2 switches, we feed an analog signal.

May 29, For this circuit, we are dataaheet going to be using 2 of the 4 switches. CMOS devices are especially sensitive to static electricity. Selectors Simulators and Models.


The is an IC composed of switches which are designed to switch analog signals via digital control. Each switch has a single input and a single output terminal. The switches are labeled from 1 to 4. The is a pin chip. Please login or register.


The radiation hardness, single event latch-up SELsingle event upset SEU immunity, and the housing in hermetic packages of all hct4066 of both series make them usable in the most difficult environmental conditions. Same pinouts, same description of what it does, etc. The is a quad bilateral switch circuit, meaning that is composed of datashert switches. Been there, done that. That would be the first type of IC chip that I have ever run across that was quirky like that.

For me it was only a pain in battery powered circuits since voltage varies a little and current hcf066 a concern – I had to put some actual thought into what I was doing. Product is in volume production. It doesn’t matter who made it, or if there is a different “code” on it. When unpressed, the pushbutton has the signal LOW by default.