Dear colleage engineers,

I have for sale twenty-eight ADS5500IPAP (ADC 14BIT 125MSPS 64-HTQFP),
of course unused, sealed and in perfect conditions.

If seriously interested please email me, my address is:

microelectro <at> gmail <dot> com

Best regards,
Mario

I have a chance to pick up a sealed brick of DDR chips, which would be
handy for a project I’m working on.  However, there’s no manufacturer
information on the packaging, and I have had zero luck searching up any
other info (Google and such) on what part information I have.

The label on the brick says:

Part No.: K321602BT-H-A
Item Code: 32*16 DDR TSOP

So I’m pretty sure these are 32M X 16 DDR SDRAM chips (8 of them on a 512
MB DIMM).  However, without a pinout and preferably a datasheet they won’t
be much use.

I have seen a loose chip, but there are no meaningful markings on the chip
(nothing resembling a part number).

The chip package is a 50 pin TSOP (pins on the two long edges).  So if you
have a loose DDR DIMM laying around and feel like counting the pins to see
if the chips are 50 pinners, that could lead to some useful info.  

In my searching, I found that Samsung chips of the suspected capacity have
66 pins.   Micron chips of this capacity have 54 (or was it 56) pins.   I
suspect that if I can find a similarly organized chip by a known company,
in the 50 pin package, that the pinout will probably be the same.   Of
course, I still won’t have speed information, but my application doesn’t
require super high performance.

I would appreciate any information or pointers (or funny jokes) anyone out
there can provide.  No matter how good a deal I could get on the brick,
it’s worthless unless I have enough information on the chips to use them.
The current owner says he got them in a lot with some other stuff.

Thank you for any helpful or humorous suggestions.

–
A friend will help you move.  A real friend will help you move a body.

"DaveC" <m…@privacy.net> wrote in message

news:0001HW.BE68DE3301386D14F02845B0@news.sonic.net…

> Ever wonder what storefronts these on-line retailers have? Wonder no
more:

> http://donwiss.com/pictures/BrooklynStores/

> —

Aww, gee, why no B&H Photo Video?  I guess they’re too big to consider
for this small store list.

Hi all,
i need an application note describing a schematic for a linear position
sensor, in "time of flight" mode. The range of sensing is from 1 mt  to
1 cm, and the resolution less than 1 cm

thanks

I’m looking for 10 DM85L51 Tri-state/Counter/Latch

Jack
Willco

http://www.datasheet4u.com

I’ve been gearing up to take on a new hobby project, building a wireless
MIDI controller.

I’ve done a fair bit of research and I am pretty straight on what parts I
need for the task and so on.

The one roadblock I’ve hit is making the setup wireless. The options I’ve
explored are mainly Bluetooth and RF with the latter looking to be more
promising.

Problem is, I’m so new to this that I’m not certain what to do next. I’m
aware of how to program a PIC chip to read output from a sensor, and in
turn translate that data and send it over a serial MIDI connection to my
computer to have it trigger the said note.

I’m hoping that someone could give me some idea(s) as to how to accomplish
this wirelessly? What parts I will need, what a basic schematic might look
like?

My device will most likely have 12-14 buttons that will need to send a note
or a controller change upon being pressed. Velocity register through a
piezo or FSR is also likely.

I’ve done some searching around already but couldent find anything in
practice, mostly just theroy of how it "should" work.

It woulde be especially helpfull if anyone has, or knows of a working
controller similar to the above mentioned (tutorial or other).

Many thanks in advance-

I need to burn some data onto a 27C020 EPROM but can’t get my hands on one.
Can I use a 27C040 instead????

Does anyone know who makes or sells 8-position momentary contact
dipswitches?
Please reply by email to zmwe…@pathcom.com without the leading "z"".
Thanks
Mark.

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Hello from the Eighth Doctor
About twenty-five years ago, Sprague was selling Hall Effect sensors. The
UGN-3020 was one such device. Allegro inherited that line. About that same time
period, those characters at RS, decided to sell them. I think they were selling them
for about two dollars, per package of five. It turns out I have a survivor here. It and
its datasheet, indicate that it behaves exactly like its descendant, the UGN-3120.

According to the Sprauge catalog of the day, that part number the original was being
phased out in honor of the UGN-3120 series.

Now I suppose someone will ask what am I getting at. I am asserting that the part
that RS sold, then, is the exact same device that Allegro is selling now. Incidentally
the characters at RS are selling them again.
—–
Gregg drwho8 atsign att dot net
"This signature has no comment."