Say “DMX512 pixel strip” → usually means UCS512 / TM512 / SM18522 family.
Say “DMX512 controllable strip” → can also mean WS2811/SK6812/UCS1903 + DMX512-SPI decoder.
Say “true DMX512 IC” → UCS512C4, UCS512H4L, TM512AC, SM18522PS, DMX512B3.