MIL-M-38510/78B
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4/ This device (ALU) can be used as a comparator when placed in the subtract mode (i.e., 83 82 81 80 are at logical levels LHHL, respectively) and the following expressions are valid:
Active low data
When Cn is low and Cn+4 is low , then A ≤ B When Cn is high and Cn+4 is low , then A < B When Cn is low and Cn+4 is high , then A > B
When Cn is high and Cn+4 is high , then A ≥ B
5/ The table shown applies for negative logic. If positive logic is used, active low data becomes active high data.
FIGURE 2. Truth tables and logic equations for device type 01 - Continued.
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