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electronic:datasheet:mostek:mk5021 [2018/06/13 08:45] – created tonyelectronic:datasheet:mostek:mk5021 [2026/09/21 11:26] (current) – tony
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 <html><p style="text-align:center;"><b><font size="6">Mk5021</font></b></p></html> <html><p style="text-align:center;"><b><font size="6">Mk5021</font></b></p></html>
  
-====Pinout====+==== Pinout ====
 {{:electronic:datasheet:mostek:mk5021.png?400 }} {{:electronic:datasheet:mostek:mk5021.png?400 }}
-MK 5021C - 10-digit calculator, 6 function (+, -, x, �, %, SQRT)+MK 5021C - 10-digit calculator, 6 function (+, -, x, /, %, SQRT)
 <code> <code>
 + 
  Keyboard Matrix:   Keyboard Matrix: 
          KN   KO   KP   KQ          KN   KO   KP   KQ
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     D10  0    CE   dp0  K     D10  0    CE   dp0  K
     D11  %    C     D11  %    C
 + 
 </code> </code>
 +<html><br clear=all></html>
 Notes: Notes:
 D11 is for entry error, overflow indication.\\ D11 is for entry error, overflow indication.\\
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 The SQRT key requires three diodes, one in a static position between D4 and KQ, with the cathode connected to KQ, and two diodes with their anodes connected to D6 and D7, the cathodes tied to one side of the SQRT key, and the other side of the SQRT key connected to K0.\\ The SQRT key requires three diodes, one in a static position between D4 and KQ, with the cathode connected to KQ, and two diodes with their anodes connected to D6 and D7, the cathodes tied to one side of the SQRT key, and the other side of the SQRT key connected to K0.\\
 <code> <code>
 + 
                         D4 ----->|------------------KQ                         D4 ----->|------------------KQ
 +                        
                         D6 ----->|---+                         D6 ----->|---+
                                      +----[SQRT]----KO                                      +----[SQRT]----KO
                         D7 ----->|---+                         D7 ----->|---+
 +                       
 </code> </code>
-<html><br clear=all></html> 
  
-====Calculators that used MK5012===+==== Calculators that used MK5021 ===