
MB90330 Series
101
(6) I
2
C timing
(V
CC
=
AV
CC
=
3.3 V
±
0.3 V, V
SS
=
AV
SS
=
0.0 V, T
A
=
40
°
C to
+
85
°
C)
*1 : f
CP
is internal operating clock frequency. See “ (1) Clock input timing”.
*2 : R and C are pull-up resistance of SCL and SDA lines and load capacitance.
*3 : The maximum t
HDDAT
only has to be met if the device does not stretch the “L” width (t
LOW
) of the SCL signal.
Parameter
Symbol
Conditions
Value
Unit
Min
0
Max
100
SCL clock frequency
(Repeat) [start] condition hold
time
SDA
↓
→
SCL
↓
SCL clock “L” width
SCL clock “H” width
Repeat [start] condition setup time
SCL
↑
→
SDA
↓
Data hold time
SCL
↓
→
SDA
↓
↑
t
SCL
Power-supply voltage of external pull-up
resistor at 5.0 V.
R
=
1.2 k
, C
=
50 pF*
2
Power-supply voltage of external pull-up
resistor at 3.6 V.
R
=
1.0 k
, C
=
50 pF*
2
kHz
t
HDSTA
4.0
μ
s
t
LOW
t
HIGH
4.7
4.0
μ
s
μ
s
t
SUSTA
4.7
μ
s
t
HDDAT
0
3.45*
3
μ
s
Data setup time
SDA
↓
↑
→
SCL
↑
t
SUDAT
Power-supply voltage of external pull-up
resistor at 5.0 V.
f
CP
*
1
≤
20 MHz, R
=
1.2 k
, C
=
50 pF*
2
Power-supply voltage of external pull-up
resistor at 3.6 V.
f
CP
*
1
≤
20 MHz, R
=
1.0 k
, C
=
50 pF*
2
Power-supply voltage of external pull-up
resistor at 5.0 V.
f
CP
*
1
>
20 MHz, R
=
1.2 k
, C
=
50 pF*
2
Power-supply voltage of external pull-up
resistor at 3.6 V.
f
CP
*
1
>
20 MHz, R
=
1.0 k
, C
=
50 pF*
2
Power-supply voltage of external pull-up
resistor at 5.0 V.
R
=
1.2 k
, C
=
50 pF*
2
Power-supply voltage of external pull-up
resistor at 3.6 V.
R
=
1.0 k
, C
=
50 pF*
2
250
ns
200
[Stop] condition setup time
SCL
↑
→
SDA
↑
t
SUSTO
4.0
μ
s
Bus free time between [stop]
condition and [start] condition
t
BUS
4.7
μ
s
SDA
SCL
t
LOW
t
HDSTA
t
HDDAT
t
SUDAT
t
SUSTA
t
SUSTO
t
HDSTA
t
HIGH
t
BUS