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Max source/sink current for USB BIT/BCD cable outputs?
K6MR
Member ✭✭
New 6600 owner here. I'm going to use USB BCD cables to drive my bandpass filters and such. The band decoders have opto isolators, which ran on 5V previously. I can change the current limit resistors on the boards, but the USB Cable document does not (unless I missed it) specify what the maximum source/sink currents are for each output as well as maximum total source/sink current. Anyone know what the specs are?
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K6MR
I have attached a pdf of the FTDI specification.
There are two part numbers for the 3.3v and the 5v versions of the FTDI chip.
Alan. WA9WUD
0 -
Thanks much. I didn't know this was a standard FTDI product. Just what was needed.0
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