AMD 27488, 27493, 10 manual Open Drain Test Circuit, 50 Ω ±3% Open-Drain Pin IOL = Output Current2

Preliminary Information

AMD Athlon™ XP Processor Model 10 Data Sheet 26237C— May 2003

8.11Open 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 36 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

38 Electrical Data Chapter 8