Circuit Schematic Seven Segment Decoder / Driver using 7446 IC

Light. - Here is electronic circuit schematic Seven Segment Decoder / Driver using 7446 IC like in Figure 1 below. In this circuit schematic the basic component used is linear seven segment and 7446IC. 

In here we will give you global description about Seven Segment Decoder / Driver using 7446 IC circuit and then we will give you link to continue your reading from original source as external website.

Circuit Schematic

Circuit Schematic Seven Segment Decoder / Driver using 7446 IC(Source: www.circuitstoday.com)

Component Part

1. 7466 IC
2. Resistors
3. 7 Segment

Description

Circuit schematic like in Figure 1 above is Circuit Schematic Seven Segment Decoder / Driver using 7446 IC. Circuitstoday site describe that Seven segment decoder / driver is a digital circuit that can decode a digital input to the seven segment format and simultaneously drive a 7 segment LED display using the decoded information. What that will be displayed on the 7 segment display is the numerical equivalent of the input data. For example a BCD to seven segment decoder driver can decode a 4 line BCD ( binary coded decimal) to 8 line seven segment format and can drive the display using this information. For example, if the input BCD code is 0001, the display output will be 1 , for 0010 the display output will be 2 and so on. The circuit diagram shown below is of a BCD to seven segment decoder / driver using 7446 IC.

7446 is a BCD to 7 segment display driver IC with active low outputs. The IC is stand alone and requires no external components other than the LED current limiting resistors. All output of the IC have complete ripple blanking and requires no external driver transistors. There is also a built in lamp test function which can be used to test the LED segments. Pin 5 of the IC is the ripple blanking input (RBI) and pin 4 is the ripple blanking output (RBO). Pin 3 is the lamp test (LT) input pin. When the RBI and RBO pins are held high and the lamp test (LT) input pin 3 is held low all LED segment output goes high. The display used here must be a common anode type because the IC has active low outputs.

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