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 Posted:
Thu Apr 21, 2005 4:35 pm Post subject:
FIFO as a Logic Analyzer; Clock synthesizer |
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Hi!
I have a big FIFO chip covered by dust, that I'd like to finally use.
The most useful application I'm imagining for it is to finally make
myself a logic analyzer. This FIFO (Texas Instruments SN74V3690-6PEU)
is a 3.3V device, but has 5V tolerant inputs. "Great!" I thought.
What I'm asking you is: should I connect the probes (just a header
cable) directly to the FIFO, or should I use an high speed buffer
inbetween? Consider that the chip is specced at 166MHz.
Moreover, what is the cheapest way to produce a variable clock
speed up to 166MHz (and possibly beyond, for other applications)?
A PLL? Any chip you may suggest me?
Thanks!
TPM
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