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Aleste 520EX - Schematics

103 bytes added, 09:18, 24 February 2010
/* Further Chips */
1 K555KP11 74LS257 8-to-4 data selector (D38=sheet1) (clock select)
1 K555KP12 74LS253 8-to-2 data selector (D26=sheet3)
.. 3 K555LA3 74LS00 Quad NAND gates (variousD78=sheet4, D41=sheet1+2+4, D75=sheet1+3+4) .. 1 K555LE1 74LS02 Quad NOR gates (variousD43=sheet1) .. 2 K555LI1 74LS08 Quad AND gates (variousD35=sheet1+2,D85=sheet1+3) .. 2 K555LL1 74LS32 Quad OR gates (variousD29=sheet1+2,D44=sheet1) .. 3 K555LN1 74LS04 Hex inverters (variousD36=sheet1, D73=sheet3, D42=sheet1+2+4)
1 K555LN2 74LS05 Hex inverters, OC (D76=sheet3)
5 K555TM2 74LS74 Dual flipflop (D40,D77,D66,D57=sheet1, D71=sheet3)
Nocash
6,388
edits
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