The is a member of the Series CMOS range, and contains four independent NAND gates, each with two inputs. The pinout diagram, given on the. NAND Gate, CD, 2 Input, mA, 3 V to 18 V, DIP with direct implementation of the NAND function and supplement the existing family of CMOS gates. Texas Instruments CDBE CD – CMOS Quad 2-Input NAND Gate (Pack of 5): : Industrial & Scientific.
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I read about input protection http: Aug 6, 9.
The wave is not exactly square in shape. Hi beenthere, I have made a new circuit. Aug 6, 5. Is it good enough to run a binary cd40111
Maybe it will be simpler to use Your Yenka sim software doesn’t know if it is coming or going. Your SIM program doesn’t know that the input of Cmos gates have input protection diodes that limit the input voltage to plus and minus 0. Apr 20, 15, I still notice the output in the simulator is same. Aug 7, Feb 17, 4, 1, Aug 5, 17 2.
Quad 2-in NAND Gate CMOS IC | Jaycar Electronics
I don’t know why your oscillator has a switch at its output that shorts the output to ground. Aug 6, 6. Aug 5, 3.
The circuit supply voltage is 12v. The resistor is not needed if the ICs use the same power supply voltage. Yes, my password is: Aug 6, 7. Quote of the day.
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CD – Quad 2-In NAND Gate
May 11, You might get better results with a different arrangement of the RC nans – http: Your simulation software is wrong because it shows the input going 4V higher than the positive supply and 4V below ground.
Aug 6, 4. Would appreciate any feedback from you? Discussion in ‘ General Electronics Chat ‘ started by smartyramAug 5, Do you already have an account?
CD4011 CD4011BE DIP14 CMOS Quad 2-input NAND gate logic chips
Your oscillator has both inputs of the gates shorted together. You May Also Like: I got rid of the switch that shorts the output to ground, was using it as a reset. I have created the following image fd4011 NAND gate oscillator using 2 gates.
If only one input is used and the spare input is connected to the positive supply voltage then the output will be more symmetrical. Aug 5, 1.
NAND Gate Oscillator using CD4011
Aug 6, The 1M resistor between the oscillator and counter is not required and might stop the circuit from working because it will combine with stray capacitance between wires and cause the square-wave from the oscillator to be a triangle-wave at the clock input of the counter. Dec 20, 10, 1, The datasheets of Cmos gates shows that they switch their output in only 50ns 0.
Hi Audioguru, I changed the circuit as per your suggestion.