Datasheet

Electrical characteristics STC3115
8/31 DocID023755 Rev 4
Figure 2. I
2
C timing diagram
Table 5. I
2
C timing - V
IO
= 2.8 V, T
amb
= -20 °C to 70 °C (unless otherwise specified)
Symbol Parameter Min Typ Max Unit
F
scl
SCL clock frequency 0
-
400 kHz
t
hd,sta
Hold time (repeated) START condition 0.6
µs
t
low
LOW period of the SCL clock 1.3
t
high
HIGH period of the SCL clock 0.6
t
su,dat
Setup time for repeated START condition 0.6
t
hd,dat
Data hold time 0 0.9
t
su,dat
Data setup time 100 ns
t
r
Rise time of both SDA and SCL signals
20+
0.1C
b
300 ns
t
f
Fall time of both SDA and SCL signals
20+
0.1C
b
300 ns
t
su,sto
Setup time for STOP condition 0.6 µs
t
buf
Bus free time between a STOP and
START condition
1.3 µs
C
b
Capacitive load for each bus line 400 pF
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