6 J-K Flip-Flops
<UL>
<LI><b>M207C</b> is a drawing of DEC's M207C.</LI>
<LI><b>M207D</b> needs a drawing.</LI>
<LI><b>M207E</b> is a drawing of DEC's M207E.</LI>
<LI><b>M207X</b> is a 'modernized' M207.</LI></UL>