identify Sierra Semiconductor chips

Sierra Semiconductor [PCI vendor ID 10A8]
Sierra Semiconductor [PCI vendor ID 1A08]
founded 1984, going public 1991
merged 1992 with PMC to PMC-Sierra
PMC-Sierra Inc [PCI vendor ID 11F8]

  dl $ info
SC11483
SC11483CV
 
  dl $ info
SC11487
SC11487CV
 
  dl $ info
???
serial ID
 
   
         
Video
Mark1
SC11481 (15bit, 6bit DAC, overlay)
SC11486 (15bit, 6bit DAC)
SC11488 (15bit, 6/8bit DAC, overlay)

Mark2
SC11482 (15bit, 6bit DAC, overlay)
SC11483 (15bit, 6bit)
SC11484 (15bit, 6/8bit DAC, overlay)

Mark3
SC11485 (15/16bit, 6bit DAC, overlay)
SC11487 (15/16bit, 6bit DAC)
SC11489 (15/16bit, 6/8bit DAC, overlay)

SC15020 (24bit, 16bit pixel bus)
SC15021 (24bit, 16bit pixel bus)
SC15025 (24bit)
SC15026 (24bit)

SC11412 (clock chip)
SC15064 (?, integrated DAC, used in Falcon/64)
SC15012CQ (ISA, 1MB) Sierra Swift II

[0000] STB Horizon 64 OEM (PCI vendor ID 10A8)
[0000] SC15064 (PCI vendor ID 1A08)

end of graphics business
since 1997 focus on networking equipment

[7375] PM7375 (Lasar-155 ATM SAR) by PMC (vendor ID 11F8)