All Questions
Tagged with ttl pcb-design
5
questions
0
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How to correctly terminate a TTL line between two ICs?
I am designing a circuit to convert a 5ns ECL signal to an LVTTL signal of >10ns. The SY100ELT25 is used to convert the ECL to 5V TTL which is then fed into the SN74LVC1G123 to further reduce the ...
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2
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Custom HDMI-to-( TFT or LVDS ) decoder/driver
I am working on a custom-made handheld PCB based around a PI Compute Module 3+ and one of the hardest steps I have found is how to include an HDMI-to-50pin-TTL driver on my PCB to run an LCD TFT 7&...
- 121
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What specs does the "gros condo" (big capacitor) needs to have?
I have a pair of Dynaudio Air 20 at home. Unfortunately, the cable that used to control the speakers via RS232 died. I opened the cable, and saw that it was a customized RS-232 to TTL adapter, but ...
- 3
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4
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How to implement 8-bit 2:1 multiplexers on a PCB?
I need to implement a 2:1 multiplexer for 8-bit data. That is: as inputs it should take two 8-bit numbers and a Select line; and as output an 8-bit number.
I could use two 74HC(T)157s (this is a quad ...
user17592
4
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3
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PCB and trace design for high-speed TTL
I am designing high-speed TTL-based processor.
I will be using only fast AC, ACT and LVC series, so switching frequencies will be in 100Mhz range with 1-3ns fronts.
I plan to use homemade 2-sided ...
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