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+tie up
EJ
1668
NOTE: DO NOT TIE DOWN any MST net.
UNUSED INPUTS can be tied down to ensure
a down level.
1. You can tie up any MST signal line.
2. In most cases a floating line will appear
as a down level.
3. Be aware of stubs when you float lines.
4. Be aware of opening terminators.
5. Be careful not to tie up SLD nets
with MST tieup voltages.
Refer to label on side of logic gates A and B
for MST tieup points.
Figure 2-8. MST Tie Up Data
2.6 VOLTAGE LEVELS
-075V
Figure 2-9 gives acceptable voltage levels for monolithic
system technology (MST) -1 and solid logic dense (SLD)
700 technology.
2.7 ERROR RECOVERY PROCEDURES
Figures 2-10 and 2-11 give procedures for recovering errors
in the Printer and the MFCU. They list the condition re-
quiring operator intervention, a brief description of the
problem, and the operator recovery procedure.
-0.613V Maximum Up
-0.987V Minimum Up
-1.567V Minimum Down
-2.0V Maximum Down
MST-1 Voltage Levels
15.0V Maximum Up
2.0V Minimum Up
0.66V Minimum Down
-1.0V Maximum Down
SLD-700 Voltage Levels
Figure 2-9. Voltage Levels
5410 FEMM (1/71) 2-11
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