A follow-on chip, the TMS 9980, was designed to compete with the Intel 8080, had the full TI 990 16-bit instruction set, used a plastic 40-pin package, moved data 8 bits at a time, but could only address 16 KB.
Nasledujúci čip, TMS 9980, bol navrhnutý, aby konkuroval Intel 8080, mal plnú 16-bitovú inštrukčnú sadu TI 990, používal plastové 40-pinové puzdro, presúval dáta po 8 bitov naraz, ale bol schopný adresovať iba 16 KB.