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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Aug 6, 4. You get oscillator and counter in one. The datasheets of Cmos gates shows that they switch their output in only 50ns 0. Hi beenthere, I have made a new circuit. I have created the following image attached NAND gate oscillator using 2 gates.

The resistor is not needed if the ICs use the same power supply voltage. Aug 6, 9.

Aug 5, 17 2. 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, 2. Aug 6, 7. Your simulation sofware is also wrong when it shows the very slow switching ramps 0.


A CD will not blow up unless you connect the power supply backwards. Your oscillator has both inputs of the gates shorted together. Apr 20, 15, Hi Audioguru, I changed the circuit as per your suggestion. Do you already have an account?

Why do you use a very high value resistor 1M feeding the oscillator to the counter’s clock input? Feb 17, 4, 1, Aug 5, 1.

No, create an account now. Dec 20, 10, 1, I got rid of the switch that shorts the output to ground, was using it as a reset. Yes, my password is: Aug 7, The wave is not exactly square in shape.

CD – Quad 2-In NAND Gate

The diodes at the input protection of Cmos gates clamps the input voltage to 0. Solar-Powered Graphene Skin Reproduces Sense of Touch Researchers at the University of Glasgow have created a solar-powered graphene skin that can simulate the sense of touch. You May Also Like: Would appreciate any feedback from you?


The circuit supply voltage is 12v. May 11, You might get better results with a different arrangement of the RC components – http: Is it good enough to run a binary counter? Aug 6, 8.

Practical Electronics/IC/4011

Your Yenka sim software doesn’t know if it is c,os or going. 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. Aug 6, 5. Maybe it will be simpler to use