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No, the adder was all CMOS. But there are some BiCMOS drivers visible at the bottom of one of the photos. The NPN transistors are big squares, unlike the CMOS t
by kens 2y ago
No, the adder was all CMOS. But there are some BiCMOS drivers visible at the bottom of one of the photos. The NPN transistors are big squares, unlike the CMOS transistors.