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View Full Version : Looking for some sockets SOIC, SSOP, TSSOP....



Tumbleweed
03-01-2007, 12:20 AM
Hi All,
I'm doing some prototyping with some surface mount chips and I would like to find a socket to hold them so I can do some testing on my development board. Once I get done I'll actually solder them to a board, but until then I want more flexibility.

Can anyone recommend a place to buy them? I'm using TSSOP-16, SSOP-28, SOIC-8 chips right now, but am certain to do other styles and would like to get an assortment.

Thanks,
Lance

Phil Pilgrim (PhiPi)
03-01-2007, 12:51 AM
Your best bet, instead of sockets, would be SMD prototyping boards, like the SurfBoard line that DigiKey sells. These have pads to which you solder the surface-mount device and a single row of pins on 0.1" centers that connect to the device contacts. Once the SMD part is soldered on, the SurfBoard can be plugged into your breadboard for testing.

-Phil

SteveW
03-01-2007, 12:53 AM
Hi,
If you think that sockets are going to be cheaper than your chips, I'm afraid you're going to be horribly disappointed. Last socket I bought for a SSOP ROM (for programming a batch) was just over $120.
I see soldered prototypes in your immediate future. That, or mving to bigger packages. (SOP sockets do exist, and, I seem to recall, weren't quite as eyewatering)

Steve

Mike Green
03-01-2007, 12:53 AM
SparkFun also has some "breakout boards" for working with surface mount parts on a breadboard.

T Chap
03-01-2007, 01:19 AM
smt-adapter.com (http://smt-adapter.com)

Post Edited (originator) : 2/28/2007 6:24:03 PM GMT

Tumbleweed
03-01-2007, 07:03 AM
Cool. Thanks guys.

Newzed
03-01-2007, 07:09 AM
I can make SOIC adapters on my SuperMill.· One is for·an 8-pin and a 16-pin SOIC.· The other is for an 18-pin SOIC.· If you are interested you can PM me.

Sid

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Yesterday is history, tomorrow is a mystery, and today is a gift.

That is why they call it the present.

Don't have VGA?
Newzed@aol.com (mailto:Module?Newzed@aol.com)
·

Newzed
03-03-2007, 01:10 AM
I have attached the layout for my SOIC 16 adapter.· The two rows of header pins are .800 apart.

I have four adapters, all similar except for the number of header pins:

SOIC 8· and SOIC 16 (or 2 more SOIC 8s) - 12 pins per side
SOIC 16 - 8 pins per side
SOIC 16 wide - 8 pins per side
SOIC 18 - 9 pins per side

All adapters can be plugged into a breadboard.

Sid

▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
Yesterday is history, tomorrow is a mystery, and today is a gift.

That is why they call it the present.

Don't have VGA?
Newzed@aol.com (mailto:Module?Newzed@aol.com)

Newzed
03-15-2007, 05:26 AM
I have revised the layout for the SOIC-16 adapter.· The pins are now .600 apart.· The new layout is attached.

Sid

▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
Yesterday is history, tomorrow is a mystery, and today is a gift.

That is why they call it the present.

Don't have VGA?
Newzed@aol.com (mailto:Module?Newzed@aol.com)

Tumbleweed
03-15-2007, 05:34 AM
That's pretty cool.

I'm still working out what chips to use and I'm hoping to find some regular dip layouts....If I'm stuck using the SOIC layout I'll give you a call.

Thanks, Lance

Newzed
03-15-2007, 06:02 AM
Thanks for the interest, Lance.· DIPs are getting harder and harder to find.· I also have an adapter for an 8-pin SOIC and a 16-pin SOIC (or two more 8-pins) and an SOIC-18 adapter.· Pins are .025 sq. amd will plug into a breadboard or they can be soldered to a PC board.

Sid

▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
Yesterday is history, tomorrow is a mystery, and today is a gift.

That is why they call it the present.

Don't have VGA?
Newzed@aol.com (mailto:Module?Newzed@aol.com)
·