Data Sheet

Electrical Specifications
132 Datasheet, Volume 1 of 2
Input Device Hysteresis
The input buffers in both client and host models should use a Schmitt-triggered input
design for improved noise immunity. Use the following figure as a guide for input buffer
design.
§ §
Notes:
1. Vcc
ST
supplies the PECI interface. PECI behavior does not affect Vcc
ST
min/max specifications.
2. The leakage specification applies to powered devices on the PECI bus.
3. The PECI buffer internal pull up resistance measured at 0.75* Vcc
ST
.
Table 7-21. PECI DC Electrical Limits (Sheet 2 of 2)
Symbol Definition and Conditions Min Max Units Notes
1
Figure 7-1. Input Device Hysteresis