I'm about to solder one of these down
There's a raised area on the top, underneath the C29A marking along one whole side. If I had to guess, I'd say pin 1 must be that side.
Can anyone advise?
TIA
The drawing shows the pin 1 index. Can't see it?
But yikes! another comparator with diff input clamp diodes!
Take a look at the FIN1101. It's a 1 ns LVDS-output comparator disguised as a line repeater. R-R input, which the National ain't. DC specs aren't as good. Under a buck.
John
Hi John,
I see "PIN 1 INDEX AREA" on the SC-70 drawing; but not on the TSOT drawing.
The SC70 index mark covers one quarter of the top area adjacent to pin 1.
The actual TSOT has a raised area along the full length of one side which I think is pins 1, 2 and 3.
Andrew.
It worked.
It ain't all that clear by way of that poor PDF; one *might* interpret the shaded area AKA "pin 1 index area" and indication of something similar on the package top surface. I would not bet on it. Mount one on a lead-expanding PCB and slowly fire one up and check the current drain carefully; rotate 180 degrees and repeat. A DVM erading in diode position should also suffice (Vcc to GND)...
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