Intel Pentium M 730 RH80536GE0252M User Manual

Product codes
RH80536GE0252M
Page of 97
 System Bus Signal Quality Specifications
Mobile Intel
 Pentium
 4 Processor-M Datasheet  
53
Table 29.  Ringback Specifications for PWRGOOD Input and TAP Signal Groups
NOTES:
1. All signal integrity specifications are measured at the processor silicon.
2. Unless otherwise noted, all specifications in this table apply to all Mobile Intel Pentium 4 Processor-M 
frequencies.
3. Please see 
 for maximum allowable overshoot.
4. Please see 
 for the DC specifications.
Signal Group
Transition
Maximum Ringback
(with Input Diodes Present)
Unit
Figure
Notes
TAP and PWRGOOD 
 1
V
t+(max)
 TO V
t-(max)
V
1,2,3,4
TAP and PWRGOOD 
 0
V
t-(min)
 TO V
t+(min)
V
1,2,3,4
Figure 26. Low-to-High System Bus Receiver Ringback Tolerance
 
GTLREF 
V
CC
 
 
Noise  
Margin
 
+10% GTLREF
 
-10% GTLREF
 
V
SS
 
Figure 27. High-to-Low System Bus Receiver Ringback Tolerance
V
 
CC
 
Noise  
Margin
 
V
 
SS
 
GTLREF 
+10% GTLREF
 
-10% GTLREF