VCNL4035X01 Datasheet, PDF (4/18 Pages) Vishay Siliconix – Fully Integrated Proximity and Ambient Light Sensor with I2C Interface and Interrupt Function for Gesture Applications

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VCNL4035X01
Vishay Semiconductors
I²C BUS TIMING CHARACTERISTICS (T_amb = 25 °C, unless otherwise specified)
PARAMETER
SYMBOL
STANDARD MODE
MIN.
MAX.
FAST MODE
MIN.
MAX.
Clock frequency
f_(SMBCLK)
10
100
10
400
Bus free time between start and stop condition
t_(BUF)
4.7
-
1.3
-
Hold time after (repeated) start condition;
after this period, the first clock is generated
t_(HDSTA)
4.0
-
0.6
-
Repeated start condition setup time
Stop condition setup time
Data hold time
Data setup time
I²C clock (SCK) low period
I²C clock (SCK) high period
Clock / data fall time
Clock / data rise time
t_(SUSTA)
4.7
-
0.6
-
t_(SUSTO)
4.0
-
0.6
-
t_(HDDAT)
-
3450
-
900
t_(SUDAT)
250
-
100
-
t_(LOW)
4.7
-
1.3
-
t_(HIGH)
4.0
-
0.6
-
t_(F)
-
300
-
300
t_(R)
-
1000
-
300
UNIT
kHz
μs
μs
μs
μs
ns
ns
μs
μs
ns
ns
t(LOW)
t(R)
t(F)
I²C bus
VIH
CLOCK
(SCLK)
VIL
t(BUF)
I²C bus
DATA
(SDAT)
{
P
Stop condition
t(HDSTA)
VIH
t(HDDAT)
VIL
{
S
Star condition
t(HIGH)
t(SUSTA)
t(SUDAT)
{
S
t(SUSTO)
{
P
I²C bus
CLOCK
(SCLK)
Start
t(LOWMEXT)
t(LOSEXT)
SCLKACK
t(LOWMEXT)
Stop
SDAACK
t(LOWMEXT)
I²C bus
DATA
(SDAT)
Fig. 1 - I²C Bus Timing Diagram
Rev. 1.5, 10-Mar-17
4
Document Number: 84251
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