J058 SCRAM
Semiconductors
IC1 LS240 IC2,3,5 LS245 IC4 LS367 IC6 LS138 IC7 Logic array IC8 Logic array IC9 LS688 IC10,11 LS174 IC12 LS30 IC13 LS14 IC14 74LS32 IC15 MC146818 IC16 74LS00 IC17 74LS04 IC18 7705 IC19 ILD74 IC20-21 RAM/EPROM TR1,2 NPN switching TR3 NPN D1 1N4148 Resistors
R1,2 No longer used R3,4,15,17 2k2 R5,6,9,19,20,21,
24,25,27,28,30,314k7 R7,8 1k8 R10,11 47 R12 5M6 R13 150k R14 1k R16 3k3 R18,23,26,27 220R RP1,2 4k7 x 8 SIL Capacitors
C1,2,5 22µ C3 33p C4 180p C6 150n C7 4n7 C8-13 100n decoupling TC1 22p trimmer Miscellaneous
XL1 32768 Hz