HP 27130A
+5V
s
Q
Ne
' - - - - - - . . . . f
D
LS7-M
PHI
eLK
r - - - - - - - t
R-
~ r---------------------~----------------------W~T-
+5\1
s-
o
NO
+5V
D
LS74A
eLK
fl-
o-
+~V
<422
+5V
LSJ2
LSJ2
~
____________________
~----IORQ-
, ____________
~
______
~----------------------------------_+----~ORQ-
M1
Figure 3- 5. Wait State Circuit Schematic Diagram
3-29