![]() Texas Instruments SN54AS888 / SN74AS888.Four-Phase Systems AL1 (1969, considered to be the first microprocessor used in a commercial product, now discontinued).Raytheon RP-16, a 16-bit processor consisting of seven integrated circuits, using four RALU chips and three CROM chips.Texas Instruments SN74S281 with SN74S282.Texas Instruments SBP0400 (1975) and SBP0401, cascadable up to 16 bits.MMI 5701 / MMI 6701, second-sourced by ITT Semiconductors four RALU chips with one each IMP16A/521D and IMP16A/522D CROM chips (additional optional CROM chips could provide instruction set additionis) ![]() ![]()
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