VCNL4100 Datasheet, PDF (4/17 Pages) Vishay Siliconix – High Sensitivity Long Distance Proximity and Ambient Light Sensor with I2C Interface

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VCNL4100
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
Bus free time between start and stop condition
Hold time after (repeated) start condition;
after this period, the first clock is generated
f_(SMBCLK)
10
100
10
400
t_(BUF)
4.7
-
1.3
-
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
Detect clock / data low timeout
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_(TIMEOUT)
25
35
-
-
t_(F)
-
300
-
300
t_(R)
-
1000
-
300
UNIT
kHz
μs
μs
μs
μs
ns
ns
μs
μs
ms
ns
ns
t(LOW)
t(R)
t(F)
I²C bus
V IH
CLOCK
(SCLK)
V IL
t(BUF)
I²C bus
DATA
(SDAT)
{
P
Stop Condition
t( HDSTA )
t( HDDAT )
V IH
V IL
{
S
Start Condition
t(HIGH)
t( SUSTA )
t( SUDAT )
{
S
t( SUSTO )
{
P
I²C bus
CLOCK
(SCLK)
Start
t(LOWMEXT )
t(LOSEXT )
SCLKACK
t(LOWMEXT )
Stop
SDA ACK
t(LOWMEXT )
I²C bus
DATA
(SDAT)
Fig. 1 - I²C Bus Timing Diagram
Rev. 1.2, 30-Aug-16
4
Document Number: 84319
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