3.0 Application Hints (Continued)
20034315
FIGURE 6. Recommended Diode Trace Layout
Noise on the digital lines, overshoot greater than VCC and
munication is rather low (400 kHz max) care still needs to be
taken to ensure proper termination within a system with
multiple parts on the bus and long printed circuit board
traces.
undershoot less than GND, may prevent successful SMBus
communication with the LM91. SMBus no acknowledge is
the most common symptom, causing unnecessary traffic on
the bus. Although, the SMBus maximum frequency of com-
4.0 Typical Applications
20034317
Using a Diode Connected 2N3904 as a Remote Temperture Sensing Element
13
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