One of the more famous of these devices is the 74181, a cascadable 4-bit arithmetic logic unit, or ALU ... [Ken Shirriff], doyen of the integrated circuit teardown, has published a piece taking ...
His latest is a reverse engineering of the 74181 Arithmetic Logic Unit (ALU). The great news is that the die image and complexity are both optimized for you to succeed at doing your own reverse ...
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