AMD ATHLON 8 - Manual (Page 53)

Chapter 8 Electrical Data 41
25175H—March 2003 AMD Athlon™ XP Processor Model 8 Data Sheet
Preliminary Information
8.12 Open-Drain Test Circuit
Figure 12 is a test circuit that may be used on automated test
equipment (ATE) to test for validity on open drain pins.
Refer to Table 16, “General AC and DC Characteristics,” on
page 39 for timing requirements.
Figure 12. General ATE Open-Drain Test Circuit
Open-Drain Pin
V
Termination
1
50
Ω ±3%
I
OL
= Output Current 2
Notes:
1. V
Termination
= 1.2 V for VID and FID pins
V
Termination
= 1.0 V for APIC pins
2. I
OL
= –6 mA for VID and FID pins
I
OL
= –9 mA for APIC pins