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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Quad 3-State D Flip-Flop with Common Clock and Reset
High–Performance Silicon–Gate CMOS
The MC74HC173 is identical in pinout to the LS173. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. Data, when enabled, are clocked into the four D flip–flops with the rising edge of the common Clock. When either or both of the Output Enable Controls is high, the outputs are in a high–impedance state. This feature allows the HC173 to be used in bus–oriented systems. The Reset feature is asynchronous and active high.