DocID027322 Rev 3

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STWBC

Electrical characteristics

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5.3.7

Reset pin characteristics

unless otherwise specified.

5.3.8

Table 13. NRST pin characteristics

Symbol

Parameter

Conditions

Typ.

Max.(1)

Unit

NRST input low level voltage(1)

-0.3

V

NRST input high level voltage(1)

NRST output low level voltage(1)

0.5

30

40

60

k



75

ns

NRST not input filtered pulse(3)

500

NRST output filtered pulse(3)

15

µs

1. Data based on characterization results, not tested in production.

2. The RPU pull-up equivalent resistor is based on a resistive transistor.

3. Data guaranteed by design, not tested in production.

Symbol

Parameter

Standard mode

Fast mode

Unit

Max.(1)

Min.(1)

Max.(1)

SCL clock low time

4.7

1.3

µs

SCL clock high time

4.0

0.6

SDA setup time

250

100

ns

SDA data hold time

0(2)

900(2)

1000

300

300

300

START condition hold time

4.0

0.6

µs

Repeated START condition setup time

4.7

0.6

STOP condition setup time

4.0

0.6

µs

STOP to START condition time (bus free)

4.7

1.3

µs

50

50

pF

2. The maximum hold time of the start condition has only to be met if the interface does not stretch the low time