ISL29018_14 Datasheet, PDF (6/19 Pages) Intersil Corporation – Digital Ambient Light Sensor and Proximity Sensor with Interrupt Function

ISL29018
I²C Interface Specifications For SCL and SDA unless otherwise noted, V_{SUP(VDDD,VDDA)} = 3V, T_A = +25°C, R_EXT = 499kΩ 1%
tolerance, 16-bit ADC operation. (Continued)
PARAMETER
DESCRIPTION
CONDITION
MIN
MAX
(Note 9) TYP (Note 9) UNIT
t_AA
SCL Falling Edge to SDA Output Data Valid
900
ns
C_i
Capacitance for each SDA and SCL pin
10
pF
t_HD:STA Hold Time (Repeated) START Condition
After this period, the first clock pulse is
600
ns
generated.
t_LOW
LOW Period of the SCL clock
Measured at the 30% of VDD crossing.
1300
ns
t_HIGH
HIGH period of the SCL Clock
600
ns
t_SU:STA
Set-up Time for a Repeated START
Condition
600
ns
t_HD:DAT
t_SU:DAT
t_R
Data Hold Time
Data Set-up Time
Rise Time of both SDA and SCL Signals
t_F
Fall Time of both SDA and SCL Signals
t_SU:STO
Set-up Time for STOP Condition
30
ns
100
ns
20 +
ns
0.1xC_b
20 +
ns
0.1xC_b
600
ns
t_BUF
C_b
R_pull-up
t_VD;DAT
t_VD:ACK
V_nL
Bus Free Time Between a STOP and START
Condition
Capacitive Load for Each Bus Line
SDA and SCL system bus pull-up resistor
Data Valid Time
Maximum is determined by t_R and t_F
Data Valid Acknowledge Time
Noise Margin at the LOW Level
1300
1
0.1VDD
V_nH
Noise Margin at the HIGH Level
0.2VDD
NOTE:
9. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
ns
400
pF
kΩ
0.9
µs
0.9
µs
V
V
6
FN6619.4
October 8, 2012