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LM2675: Fabrication history of LM2675M-5.0/NOPB

Part Number: LM2675

Tool/software:

I have a question in regards to LM2675M-5.0/NOPB (Generic: LM2675)

I'm looking to replace a LM2675M-5.0 from National Semiconductor (CAGE Code: 27014). In September 23 2011, Texas Instrument (CAGE code: 01295) acquired National Semiconductor.
From my research, the silicon die for LM2675M-5.0/NOPB produced by Texas Instruments is fabricated in Freising Germany. PCN# 20180322003 affected the fabrication line for the LM2675M-5.0, moving the fabrication from GFAB6 and GFAB8 (Greenock, Scotland) to FFAB (Freising, Germany)

So my questions are:
1. Was the Fabrication line for the LM2675M-5.0 in Freising Germany acquired and reused from National Semiconductor. If so, were there any changes?
2. PCN# 20180322003 moved the fabrication from Greenock Scotland to Freising Germany. However, I noticed that there used to be 2 Fabrication lines (GFAB6 and GFAB8) in Greenock Scottland and the new fabrication line was just FFAB in Freising Germany. Did the PCN merge the two fabrication lines?

Thanks in advance!