AMD AX2000DMT3C User Guide - Page 39

Frequency Identification (FID[3:0]), 7.5 VCCA AC and DC Characteristics, 7.6 Decoupling,

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24309E-March 2002 Preliminary Information AMD Athlon™ XP Processor Model 6 Data Sheet 7.4 Frequency Identification (FID[3:0]) Table 4 shows the FID[3:0] DC characteristics. For more information, see "FID[3:0] Pins" on page 70. Table 4. FID[3:0] DC Characteristics Parameter Description Min Max IOL Output Current Low 16 mA VOH Output High Voltage - 2.625 V * Note: * The FID pins must not be pulled above this voltage by an external pullup resistor. 7.5 VCCA AC and DC Characteristics Table 5 shows the AC and DC characteristics for VCCA. For more information, see "VCCA Pin" on page 73. Table 5. VCCA AC and DC Characteristics Symbol Parameter Min Nominal Max Units Notes VVCCA VCCA Pin Voltage 2.25 2.5 2.75 V 1 IVCCA VCCA Pin Current 0 50 mA/GHz 2 Notes: 1. Minimum and Maximum voltages are absolute. No transients below minimum nor above maximum voltages are permitted. 2. Measured at 2.5 V. 7.6 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 6. Chapter 7 Electrical Data 27

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Chapter 7
Electrical Data
27
24309E—March 2002
AMD Athlon™ XP Processor Model 6 Data Sheet
Preliminary Information
7.4
Frequency Identification (FID[3:0])
Table 4 shows the FID[3:0] DC characteristics. For more
information, see “FID[3:0] Pins” on page 70.
7.5
VCCA AC and DC Characteristics
Table 5 shows the AC and DC characteristics for VCCA. For
more information, see “VCCA Pin” on page 73.
7.6
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 6.
Table 4.
FID[3:0] DC Characteristics
Parameter
Description
Min
Max
I
OL
Output Current Low
16 mA
V
OH
Output High Voltage
–
2.625 V *
Note:
*
The FID pins must not be pulled above this voltage by an external pullup resistor.
Table 5.
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
I
VCCA
VCCA Pin Current
0
50
mA/GHz
2
Notes:
1.
Minimum and Maximum voltages are absolute. No transients below minimum nor above maximum voltages are permitted.
2.
Measured at 2.5 V.