MAN72A Datasheet PDF Download – INCH SEVEN SEGMENT DISPLAYS, MAN72A data sheet. Digi-Key Part Number, MAN72A-ND. Copy MAN72A-ND. Quantity Available, 0. This feature is temporarily Datasheets, MAN34xxA,36xxA,7xA,38xxA. MAN72A from Fairchild Semiconductor. Find the PDF Datasheet, Specifications and Distributor Information.

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The drawing below shows how the LEDs of the seven segments are connected to the fourteen pins of the package.

Build your circuit and demonstrate that all values zero to nine are represented correctly as a decimal digit on your seven-segment display. Show an instructor your work. We recommend you use any or all of the following logic chips: You have switches on your breadboard to supply datasheeet V and 5 V.

Use four such switches to control four of the seven segments. In this lab you will build a circuit that presents a four-bit binary value as a single decimal digit on a seven-segment display.


Use four logic switches on your breadboard as datssheet to your circuit. Your instructors will help you understand what you are supposed to do, but your objective is to design, build, and correct the circuit yourself.

Lab 11: Decimal Display

Draw a diagram of your entire circuit. Figure out how you are going to switch on and off individual segments of this display with 5-V logic levels.

Choose logic gates to implement your logic equations. You will find a one-page diagram of the internal connections of these eight chips on the 29A web page. Do not connect any segment directly to 5 V, or you will destroy the LED within the segment.

Show an instructor your switching circuit. We will use the MAN72A or equivalent seven-segment display.


All of them come in a pin DIP package. Use them so that the most significant bit of the four-bit binary number is on the left side. The four-bit binary number has value zero to fifteen, but we are going to display only numbers zero to nine, with digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.


For each segment in the display, make a Karnaugh map that relates the four bits of the number to the state of the segment, so that the segment will illuminate correctly to display the value of the number as a decimal digit. Use your Karnaugh maps to obtain efficient boolean equations to implement the seven-segment logic.

The construction itself is a challenge, because of the large number of gates you must connect together correctly. Show an instructor your circuit diagram.