USB2601/USB2602

DS00002119A-page 18

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6.2

Operating Conditions

Note 6-3

When powering the device, the maximum power supply ramp time should be set at a rate faster than

400 micro seconds. This speed is important to ensure that the device resets properly. Measure rise

time at 10% and 90%.

Parameter

Symbol

MIN

MAX

Units

Comments

Operating Temperature

0

70

°C

*Ambient temperature in still air.

1.8V supply voltage

1.62

1.98

V

3.3V supply voltage

3.0

3.6

V

3.3V supply rise time

0400

s

(See Figure 6-1, "Supply Rise Time Model")

Voltage on XTAL1

-0.3

V

FIGURE 6-1:

SUPPLY RISE TIME MODEL

10%

90%

Voltage

Time

100%

3.3V

VSS

VDD33