6 Channel Capacitive Touch Sensor with 6 LED Drivers
Datasheet
Table 2.2 Electrical Specifications (continued)
VDD = 3V to 3.6V, TA = 0°C to 100°C, all Typical values at TA = 27°C unless otherwise noted.
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNIT
CONDITIONS
SMBus First
tSMB
15
ms
Communication
SMBus Timing
5
Input Capacitance
Clock Frequency
Spike Suppression
CIN
fSMB
tSP
pF
kHz
ns
10
400
50
Bus free time Start to
Stop
tBUF
1.3
us
Setup Time: Start
Setup Time: Stop
Data Hold Time
tSU:STA
tSU:STP
tHD:DAT
tSU:DAT
tLOW
0.6
0.6
0.6
0.6
1.3
0.6
us
us
us
us
us
us
ns
ns
pF
6
Data Setup Time
Clock Low Period
Clock High Period
Clock/Data Fall time
Clock/Data Rise time
Capacitive Load
72
tHIGH
tFALL
300
300
400
Min = 20+0.1CLOAD ns
Min = 20+0.1CLOAD ns
per bus line
tRISE
CLOAD
BC-Link Timing
Clock Period
Data Hold Time
Data Setup Time
Clock Duty Cycle
tCLK
tHD:DAT
tSU:DAT
Duty
250
0
ns
ns
ns
%
30
40
Data must be valid before clock
50
60
SPI Timing
Clock Period
tP
250
ns
ns
ns
ns
Clock Low Period
Clock High Period
tLOW
tHIGH
tRISE
0.4 x tP
0.4 x tP
0.6 x tP
0.6 x tP
0.1 x tP
Clock Rise / Fall
time
/
tFALL
Data Output Delay
Data Setup Time
Data Hold Time
tD:CLK
tSU:DAT
tHD:DAT
10
ns
ns
ns
20
20
SMSC CAP1066
Revision 1.1 (08-05-09)
DATA1S3HEET
SMSC [ SMSC CORPORATION ]
