Yes and that would be why Sega used it in the SG-1000. TI was no longer updating the VDP so later it was evolved in the Master System which was then evolved to

Yes and that would be why Sega used it in the SG-1000. TI was no longer updating the VDP so later it was evolved in the Master System which was then evolved to the Genesis/Mega Drive. So to be clear the Genesis/Mega Drive did not have a TMS9918 inside just something that was similar enough to get a foothold into reverse engineering the actual VDP.