8 Channel Capacitive Touch Sensor with 2 LED Drivers
Datasheet
Table 2.2 Electrical Specifications (continued)
VDD = 3V to 3.6V, TA = 0°C to 85°C, all Typical values at TA = 27°C unless otherwise noted.
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNIT
CONDITIONS
powered or unpowered
TA < 85°C
pull-up voltage < 3.6V if
Leakage Current
ILEAK
±5
uA
unpowered
I/O Pins
Output Low Voltage
Output High Voltage
VOL
VOH
0.4
V
V
ISINK_IO = 8mA
VDD
0.4
-
ISOURCE_IO = 8mA
Input High Voltage
Input Low Voltage
VIH
VIL
2.0
V
V
0.8
±5
powered or unpowered
TA < 85°C
pull-up voltage < 3.6V if
unpowered
Leakage Current
ILEAK
uA
ms
RESET Pin Release
to conversion ready
tRESET
170
200
SMBus Timing
5
Input Capacitance
Clock Frequency
Spike Suppression
CIN
fSMB
tSP
pF
kHz
ns
10
400
50
Bus Free Time Stop
to Start
tBUF
1.3
us
Start Setup Time
Start Hold Time
Stop Setup Time
Data Hold Time
Data Hold Time
Data Setup Time
Clock Low Period
Clock High Period
tSU:STA
tHD:STA
tSU:STO
tHD:DAT
tHD:DAT
tSU:DAT
tLOW
0.6
0.6
0.6
0
us
us
us
us
us
us
us
us
When transmitting to the master
When receiving from the master
0.3
0.6
1.3
0.6
tHIGH
Clock / Data Fall
Time
tFALL
300
ns
Min = 20+0.1CLOAD ns
Clock / Data Rise
Time
tRISE
300
400
ns
Min = 20+0.1CLOAD ns
per bus line
Capacitive Load
SMSC CAP1128
CLOAD
pF
DATA1S5HEET
Revision 1.32 (01-05-12)
SMSC [ SMSC CORPORATION ]
