ISL29028A_14 Datasheet, PDF (5/16 Pages) Intersil Corporation – Low Power Ambient Light and Proximity Sensor with Intelligent Interrupt and Sleep Modes

ISL29028A
I²C Electrical Specifications For SCL and SDA unless otherwise noted, V_DD = 3V, T_A = +25°C, R_EXT = 499kΩ 1% tolerance
(Note 13). (Continued)
PARAMETER
DESCRIPTION
CONDITION
MIN
TYP MAX UNIT
t_HD:DAT
t_SU:DAT
t_R
t_F
t_SU:STO
t_BUF
Data Hold Time
Data Set-up Time
Rise Time of both SDA and SCL Signals
Fall Time of both SDA and SCL Signals
Set-up Time for STOP Condition
Bus Free Time Between a STOP and START
Condition
(Note 14)
(Note 14)
30
ns
100
ns
20 + 0.1xC_b
ns
20 + 0.1xC_b
ns
600
ns
1300
ns
C_b
Capacitive Load for Each Bus Line
R_pull-up SDA and SCL System Bus Pull-up Resistor
Maximum is determined by t_R and t_F
t_VD;DAT
Data Valid Time
t_VD:ACK Data Valid Acknowledge Time
V_nL
Noise Margin at the LOW Level
V_nH
Noise Margin at the HIGH Level
NOTES:
13. All parameters in I²C Electrical Specifications table are guaranteed by design and simulation.
14. Cb is the capacitance of the bus in pF.
1
0.1VDD
0.2VDD
400 pF
kΩ
0.9 µs
0.9 µs
V
V
FIGURE 1. I²C TIMING DIAGRAM
5
FN7721.3
January 29, 2014