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34 Electrical Data Chapter 8
AMD Athlon™ XP Processor Model 8 Data Sheet 25175H—March 2003
Preliminary Information
8.6 Decoupling
See the AMD Athlon™ Processor-Based Motherboard Design
Guide, order# 24363, or contact your local AMD office for
information about the decoupling required on the motherboard
for use with the AMD Athlon™ XP processor model 8.
8.7 V
CC_CORE
Characteristics
Table 12 shows the AC and DC characteristics for V
CC_CORE
.
See Figure 10 on page 35 for a graphical representation of the
V
CC_CORE
waveform.
Table 12. V
CC_CORE
AC and DC Characteristics
Symbol Parameter Limit in Working State Units
V
CC_CORE_DC_MAX
Maximum static voltage above V
CC_CORE_NOM
*
50 mV
V
CC_CORE_DC_MIN
Maximum static voltage below V
CC_CORE_NOM
*
–50 mV
V
CC_CORE_AC_MAX
Maximum excursion above V
CC_CORE_NOM
*
150 mV
V
CC_CORE_AC_MIN
Maximum excursion below V
CC_CORE_NOM
*
–100 mV
t
MAX_AC
Maximum excursion time for AC transients 10 µs
t
MIN_AC
Negative excursion time for AC transients 5 µs
Note:
*
All voltage measurements are taken differentially at the COREFB/COREFB# pins.