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"LM199" Product checking information related with National Semiconductor Parts

This is Joong-hyeok Lee, DMSMS researcher of Leoinnovision.
Leoinnovision is the official EOL(End Of-Life)/obsolescence part manager of Korean Military (Army, Navy, Air force) and PLM agency of many defense industries (Hanwha, ADD, etc.)

I am searching for the information of a product "LM199AH/883" IC used by Korean Navy.

The parts had been manufactured by National Semiconductor.

But I've already checked that TI has acquisition of National Semiconductor Inc.

So I have a request to you about the part.

If you know the parts, please let me know the information about the part.

Part Number: LM199AH/883 

Part Description: Temperature Sensors

In case of part obsolescence, our military and Korean DoD hopes to know the information related with product EOL(End Of-Life).

So could you provide me some information of the item?
I need the data below.

- Status(Active or Discontinued/Obsolete) :

- LCC(Life Cycle Code) : (You don’t have to type if it was discontinued)

- YTEOL(Years To End-of Life) : 00 Years (You don’t have to type if it was discontinued)

It is important for us to check the parts’ status for maintaining our system operation.

If the item has not any discontinuance schedule, please let me know.
Korean DoD will use the information above only for the research and the next purchase.

Feel free to contact me if you have any further information of me and my company.