Questions tagged [74ls161]
The 74ls161 tag has no usage guidance.
4 questions
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74LS161 miscounting
Following Ben Eater's 8-bit computer assembly, my program counter, which is built out of 74LS161s, does not count correctly. In trying to figure out the issue, I have completely isolated the circuit ...
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Counter glitching? Instability? Can't get a trigger lock on the scope, what might that be?
I have a 4 MHz clock and 4 x 74LS161 4-bit counters hooked up to get a 16 bit counter. It's all done how I have done it many times, synchronous with clock going into all the counters and RCO of ...
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Why are my 74F chips incompatible with 74LS?
I have a functioning electronic project I made as a hobby using SN74LS161 4 bit counters and SN74LS08 quad AND gates. I replaced the counters with SN74F161 which are supposed to be faster but have the ...
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I need diodes to build a R-2R ladder DAC from original TTL chips (not Arduino) don't I?
I am thinking through how I could turn my analog oscilloscope with X-Y mode and Z input in the back into a simple computer monitor. I am learning about generating a proper sawtooth with a constant ...
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