Decade counter w/ hex inverter - inverted output?

[R2-D2]

Decade counter w/ hex inverter - inverted LED output?

I want six LEDs sequentially counting from the 4017 decade counter and invert their states. For example, during the decade count, instead of the output LEDs being: off-off-on-off-off-off, I want the option to invert their states to be: on-on-off-on-on-on.




It looks like I need to use a 4049 hex inverter to the output of the decade counter to do this. I guess I connect each LED to its six outputs to invert their states. Seems it would work. Do I just connect a momentary switch to its supply voltage (pin 1) to invert the LEDs on its output? I'm going to experiment with this...

4000 series CMOS Logic ICs

 

[jimlovell777]

Why can't you just connect the LEDs reverse of normal to invert the output? Connect the 7th output to the reset pin to get six steps.

 

[R2-D2]

I'll try that option. I also want the ability to invert the LEDs output with a switch. I don't think I can do that alone with the 4049 hex inverter.

 

[dougy83]

I'll try that option. I also want the ability to invert the LEDs output with a switch.

you can use XOR gates to provide this option. Connect the 4017 outputs to 1 input of 6 XOR gates, and the value from the switch to the remaining inputs (tied together). When the switch connection gives a high value, the XOR gates will invert; otherwise they won't invert.

 

[R2-D2]

XOR gates to invert LED lights...

Dougy83, interesting idea. That should definitely work. Thanks!
I'll also try with the 4049 inverter, but not sure with using a switch on that one.
Jeff