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- 74xx00 +-v--+
6 Q& _+ a6 |' b% r+ ~" A0 W - CPU R/W -+-|1 14|--- +5V
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- +-|2 13|-+- CPU /ROMCS! m, ?" ?1 N( V& @% e- G2 d2 r3 u
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- PRG /OE -+-|3 12|-+1 H0 J2 N, V# _# T
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- +-|4 11|-+) o( P4 o8 u2 P% s
- | | | |9 \: E8 | s; C( h# N7 D
- +-|5 10|-+
9 x- ?' q! P$ r - | |% |: \0 t/ n) I( @4 |5 K
- NC |6 9|--- CPU PHI2# l7 s2 e; Q6 |9 [* _" s. I
- | |
' r8 H; h5 y( |+ @8 `, `) U; y - GND ---|7 8|--- 74xx161 CK, Q3 C! g2 U& L! M9 W' ^ M
- +----+
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