![]() Blanking input is used to turn off or vary the brightness of the display. For testing, momentarily make the pin low, in short used to test the display. It also provides you the facility to check that all segments of 7 segment display are working properly or not (lamp test). This IC provides the facility of 4-bit storage latch, an 8421 BCD-to-seven segment decoder. One thing to be kept in mind with this circuit is IC 4511 is used only for common cathode display. 1: Prototype Of BCD to 7 Segment Display Circuit On BreadboardĬD4511 is a CMOS BCD to seven segment latch/decoder and is used in various application like in clock, watches, computer, calculators etc.
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