Datasheet

Electrical characteristics STM32L052x6 STM32L052x8
112/143 DocID025936 Rev 8
Table 79. USB: full speed electrical characteristics
Driver characteristics
(1)
1. Guaranteed by design.
Symbol Parameter Conditions Min Max Unit
t
r
Rise time
(2)
2.
Measured from 10% to 90% of the data signal. For more detailed informations, please refer to USB
Specification - Chapter 7 (version 2.0).
C
L
= 50 pF 420ns
t
f
Fall Time
(2)
C
L
= 50 pF 4 20 ns
t
rfm
Rise/ fall time matching t
r
/t
f
90 110 %
V
CRS
Output signal crossover voltage 1.3 2.0 V
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