VS6724 Datasheet, PDF (108/118 Pages) STMicroelectronics – 2 Megapixel single-chip camera module

Electrical characteristics
VS6724
6.6
I²C slave interface
VS6724 contains an I²C-type interface using two signals: a bidirectional serial data line
(SDA) and an input-only serial clock line (SCL). See PLL operation for detailed description
of protocol.
Table 60. Serial interface voltage levels⁽¹⁾
Symbol
Parameter
Standard mode
Min.
Max.
Fast mode
Unit
Min.
Max.
Hysteresis of Schmitt Trigger Inputs
V_HYS
V_DD > 2 V N/A
V_DD < 2V
N/A
V_OL1
V_OL3
LOW level output voltage (open drain)
at 3mA sink current
V_DD > 2 V
0
V_DD < 2V
N/A
V_OH
HIGH level output voltage
N/A
t_OF
Output fall time from V_IHmin to V_ILmax with
a bus capacitance from 10 pF to 400 pF
-
t_SP
Pulse width of spikes which must be
suppressed by the input filter
N/A
N/A
0.05 V_DD
-
V
N/A
0.1 V_DD
-
V
0.4
0
0.4
V
N/A
0
0.2 V_DD
V
N/A
0.8 V_DD
V
250
20+0.1C_b(2)
250
ns
N/A
0
50
ns
1. Maximum V_IH = V_DDmax + 0.5 V
2. C_b = capacitance of one bus line in pF
Figure 40. Voltage level specification
Input voltage levels
Output voltage levels
V_IH = 0.7 * V_DD
V_OH = 0.8 * V_DD
V_IL = 0.3 * V_DD
V_OL = 0.2 * V_DD
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