The SN74LS244N is an Octal Buffer and Line Driver with 3-state outputs. This is designed specifically to improve both the performance and density of three-state memory address driver, clock driver and bus-oriented receivers and transmitters. The designer has a choice of selected combinations of inverting and non-inverting outputs and symmetrical, active-low output-control (G)\inputs and complementary output-control (G and G\) inputs. This device features high fan-out, improved fan-in and 400mV noise margin. The SN74LS device can be used to drive terminated lines down to 133R.
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