Thanks again. So with two level shifters available and two open pins on the
1284P, which two of three lines, CLK, DATA, and LE, would be best to
separate? From your description, are you saying that CLK and DATA are the
two best separated?
On Sunday, October 18, 2015 at 12:30:45 PM UTC-4,
There's no need to separate *both* CLK and DATA. If you have separate data
lines and CLK everything at the same time, you've basically shortened the
length of the serial data chain, and you're loading them in parallel. This
will give you the fastest load-time.
On the other hand, if you split
Sale:
IN-18 - 23 pcs. for $40 each,
sockets for IN-18 - 50 pcs. for $2.5 each.
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Whoa, $40 each...on sale ???...way too pricey for me.
On Monday, October 19, 2015 at 2:58:20 PM UTC-6, Yuriy Ovchinnikov wrote:
>
> Sale:
> IN-18 - 23 pcs. for $40 each,
> sockets for IN-18 - 50 pcs. for $2.5 each.
>
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So to be clear, if you split the CLK lines into CLKA and CLKB, the serial
data will go into the first HV5530. The first, third, fifth, etc HV5530's
would use CLKA. The second, fourth, etc HV5530's would use CLKB. The
DATA_OUT of the first HV5530 goes to the DATA_IN of the second HV5530, etc.
Thank you. I'll do it that way.
On Saturday, October 17, 2015 at 9:26:23 AM UTC-4, Mitch wrote:
>
> Hi All,
>
> The seven digit, IN-18 board is on order so I'm on to the next project, a
> fifteen digit Union Square Metronome type clock similar to Jarek's clock
> here:
>
There seems to be a never ending supply of these tubes. Is it possible,
there were tens of thousands of these in surplus?
Make me wonder if they're still being produced somewhere in the old Soviet
Union.
On Monday, October 19, 2015 at 4:58:20 PM UTC-4, Yuriy Ovchinnikov wrote:
>
> Sale:
eBay prices. :)
Michail Wilson
206-920-6312
In a message dated 10/19/2015 2:31:57 P.M. Pacific Daylight Time,
jondad...@gmail.com writes:
Whoa, $40 each...on sale ???...way too pricey for me.
On Monday, October 19, 2015 at 2:58:20 PM UTC-6, Yuriy Ovchinnikov wrote:
Sale:
IN-18 -
Make sure you research the date-codes; I've seen others in this group
mention IN-18 tubes from late 1970's and early 1980's are not as reliable.
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On Monday, October 19, 2015 at 7:43:20 PM UTC-4, Greg P wrote:
>
> There seems to be a never ending supply of these tubes. Is it possible,
> there were tens of thousands of these in surplus?
>
> Make me wonder if they're still being produced somewhere in the old Soviet
> Union.
>
Unlikely.
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