Datasheet

Application information USBDFxxW5
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2.5 Transition times
This low pass filter has been designed in order to meet the USB 1.1 standard requirements
that implies the signal edges are maintained within the 4 ns-20 ns stipulated USB
specification limits.
Figure 13. Typical rise and fall times: measurements configuration
Figure 14. Typical rise and fall times
D+
D-
+5V +5V
74HC04
+5V
Square
Pulse
Generator
74HC04
USBDF
xxW5
A. Rise time B. Fall time