According to the 7447 datasheet the 7446A and 7447A ICs feature active-low outputs designed for driving common-anode LEDs or incandescent indicators directly. All of the circuits have full ripple-blanking input/output controls and a lamp test input. Segment identification and resultant displays are shown on a following page. 7447 pin configuration • Microchip products meet the specification cont ained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the mo st secure families of its kind on the market today, when used i n the intended manner and under normal conditions.

The IC 7404 belongs to a sort of hex inverter chip, featuring large operating voltage range, wide operating conditions, and outputs directly interface to CMOS, NMOS and TTL. SN7404 IC contains six independent inverter gates, and each gate is consisted of one input and one output. The Inverting is one of its primary functions. In … According to the 7447 datasheet the 7446A and 7447A ICs feature active-low outputs designed for driving common-anode LEDs or incandescent indicators directly. All of the circuits have full ripple-blanking input/output controls and a lamp test input. Segment identification and resultant displays are shown on a following page. 7447 pin configuration