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Chapter 8 Electrical Data 31
26237C—May 2003 AMD Athlon™ XP Processor Model 10 Data Sheet
Preliminary Information
8.4 Frequency Identification (FID[3:0])
Table 11 shows the FID[3:0] DC characteristics. For more
information, see “FID[3:0] Pins” on page 74.
8.5 VCCA AC and DC Characteristics
Table 12 shows the AC and DC characteristics for VCCA. For more information, see
“VCCA Pin” on page 77
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 10.
Table 11. FID[3:0] DC Characteristics
Parameter Description Min Max
I
OL
Output Current Low 6 mA
V
OH
Output High Voltage –
2.625 V
1
| V
OH
– V
CC_CORE
| ≤ 1.60 V
2
Note:
1. The FID pins must not be pulled above 2.625 V, which is equal to 2.5 V plus a maximum of five percent.
2. Refer to “VCC_2.5V Generation Circuit” found in the section, “Motherboard Required Circuits,” of the AMD Athlon™ Processor-
Based Motherboard Design Guide, order# 24363.
Table 12. VCCA AC and DC Characteristics
Symbol Parameter Min Nominal Max Units Notes
V
VCCA
VCCA Pin Voltage 2.25 2.5
2.75 V 1
| V
VCCA
– V
CC_CORE
| ≤ 1.60 V
–2
I
VCCA
VCCA Pin Current 0 50 mA/GHz 3
Notes:
1. Minimum and Maximum voltages are absolute. No transients below minimum nor above maximum voltages are permitted.
2. For more information, refer to the AMD Athlon™ Processor-Based Motherboard Design Guide, order# 24363.
3. Measured at 2.5 V.