DS1021

9 of 9

TIMING DIAGRAM: SERIAL MODE (S = 0) Figure 8

TIMING DIAGRAM: POWER-UP Figure 9

NOTES:

1. All voltages are referenced to ground.

Table 1.

3. Measured with output open.

4. The “Q” output will only source 4 mA. This pin is only intended to drive other DS1021s.