Frequency Identification (Fid[3:0]); Vcca Ac And Dc Characteristics; Decoupling; Vcc_Core - AMD Athlon XP 10 Datasheet

26237C—May 2003
8.4

Frequency Identification (FID[3:0])

Table 11. FID[3:0] DC Characteristics

Parameter
I
Output Current Low
OL
V
Output High Voltage
OH
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.
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

Table 12. VCCA AC and DC Characteristics

Symbol Parameter
V
VCCA Pin Voltage
VCCA
I
VCCA Pin Current
VCCA
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.
8.6

Decoupling

Chapter 8
Preliminary Information
Table 11 shows the FID[3:0] DC characteristics. For more
information, see "FID[3:0] Pins" on page 74.
Description
Min Nominal
2.25 2.5
0
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.
Electrical Data
AMD Athlon™ XP Processor Model 10 Data Sheet
Min
6 mA
–
| V
Max
2.75
| ≤ 1.60 V
| V – V
VCCA CC_CORE
50
Max
1
2.625 V
| ≤ 1.60 V
2
– V
OH CC_CORE
Units Notes
V 1
– 2
mA/GHz 3
31