You need to bring the binary pins high or low. You've got them floating. Get a datasheet for the chip, and add voltages to the ABCD pins, in the proper configuration. There is a binary chart, as well as corresponding binary to pin layout, on that datasheet.
On Sep 24, 2012, at 9:42 PM, Sean <sean4s...@gmail.com> wrote: > I'm trying to figure out how a 74141 IC works, but it's making me feel > stupid. Please keep in mind that i am completely new to electronics and > circuits. Help?!? > > I've got a 74141 on a breadboard. Based on the datasheets and nixie clock > schematics I've been studying I put 5vdc at pin 5 and pin 12 to ground. Right > now I'm just trying to light up an LED (some nixies are coming in the mail). > So I connected the LED to the 5v and to the 0 output at pin 16. Since all > four inputs are at no power shouldn't this light the LED. Please tell me I'm > just doing something stupid. > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To post to this group, send an email to neonixie-l@googlegroups.com. > To unsubscribe from this group, send email to > neonixie-l+unsubscr...@googlegroups.com. > To view this discussion on the web, visit > https://groups.google.com/d/msg/neonixie-l/-/iufh07zGeP4J. > For more options, visit https://groups.google.com/groups/opt_out. > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to neonixie-l@googlegroups.com. To unsubscribe from this group, send email to neonixie-l+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
