When did the TMS1000 family from Texas Instruments start appearing commercially?

Answer

Around 1971 or 1972

The TMS1000 family of integrated control chips from Texas Instruments began its commercial availability around 1971 or 1972, positioning it as a very early embodiment of the microcontroller concept.

When did the TMS1000 family from Texas Instruments start appearing commercially?
inventorcomputerelectroniccircuitmicrocontroller