AMD 8 manual Open-Drain Test Circuit, 50 Ω ±3% Open-Drain Pin IOL = Output Current2, Chapter

Preliminary Information

25175H —March 2003 AMD Athlon™ XP Processor Model 8 Data Sheet

8.12Open-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.

VTermination1

50 Ω ±3%

Open-Drain Pin

IOL = Output Current2

Notes:

1.VTermination = 1.2 V for VID and FID pins VTermination = 1.0 V for APIC pins

2.IOL = –6 mA for VID and FID pins IOL = –9 mA for APIC pins

Figure 12. General ATE Open-Drain Test Circuit

Chapter 8 Electrical Data 41