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74LS193 4Bit Binary Up/Down Counter

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ebonybeaver

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I am having difficulty making the 74LS193 automatically count up and then recycle and count back down. That is 0000 - 1111-0000. I wired the circuit to make it count up. I had to switch the wires of the clock and the high between pins 4 and 5 to make it count down. Could you please let me know what way to wire it to automatically count up and then recycle back down. I need to know what pins to put together. I read your post about cascading them together. However I didn't really understand what you meant. I didn't know what to do with the inputs or whether to take the outputs into the inputs of the next chip. Please help me understand. Thanks in Advance
 
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