J058 SCRAM

A. Component List

Component List

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,
24,25,27,28,30,31
4k7
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

C1,2,522µ
C333p
C4180p
C6150n
C74n7
C8-13100n decoupling
TC122p trimmer

Miscellaneous

XL1 32768 Hz