The building blocks of computing circuitry are logic circuits. Here we investigate some standard functions that will allow
us to develop the architecture of a simple processing machine.
Chapter 2 is a primer of logic circuit design; examining both combinational and sequential SSI, MSI, LSI and VLSI levels of
complexity. Coverage includes decoders, digital comparators, arithmetic and ALU functions, latches, flip flops, counters and
registers, RAM and ROM memory, and concludes with the design of a programmable accumulator processor unit. Also described
is active, open-collector/drain and 3-state output structures used to support bus architectures.
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