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CAP1128 Datasheet(PDF) 10 Page - Microchip Technology

Part # CAP1128
Description  8 Channel Capacitive Touch Sensor with 2 LED Drivers
PDF  75 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

CAP1128 Datasheet(HTML) 10 Page - Microchip Technology

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CAP1128
DS00001622B-page 10
 2015 Microchip Technology Inc.
Note 3-5
The ALERT pin will not glitch high or low at power up if connected to VDD or another voltage.
Note 3-6
The SMCLK and SMDATA pins will not glitch low at power up if connected to VDD or another voltage.
Input High Voltage
VIH
2.0
V
Input Low Voltage
VIL
0.8
V
Leakage Current
ILEAK
±5
uA
powered or unpowered
TA < 85°C
pull-up voltage < 3.6V if unpowered
RESET Pin Release
to conversion ready
tRESET
170
200
ms
SMBus Timing
Input Capacitance
CIN
5pF
Clock Frequency
fSMB
10
400
kHz
Spike Suppression
tSP
50
ns
Bus Free Time Stop to
Start
tBUF
1.3
us
Start Setup Time
tSU:STA
0.6
us
Start Hold Time
tHD:STA
0.6
us
Stop Setup Time
tSU:STO
0.6
us
Data Hold Time
tHD:DAT
0
us
When transmitting to the master
Data Hold Time
tHD:DAT
0.3
us
When receiving from the master
Data Setup Time
tSU:DAT
0.6
us
Clock Low Period
tLOW
1.3
us
Clock High Period
tHIGH
0.6
us
Clock / Data Fall Time
tFALL
300
ns
Min = 20+0.1CLOAD ns
Clock / Data Rise
Time
tRISE
300
ns
Min = 20+0.1CLOAD ns
Capacitive Load
CLOAD
400
pF
per bus line
SPI Timing
Clock Period
tP
250
ns
Clock Low Period
tLOW
0.4 x tP
0.6 x tP
ns
Clock High Period
tHIGH
0.4 x tP
0.6 x tP
ns
Clock Rise / Fall time
tRISE / tFALL
0.1 x tP
ns
Data Output Delay
tD:CLK
10
ns
Data Setup Time
tSU:DAT
20
ns
Data Hold Time
tHD:DAT
20
ns
SPI_CS# to SPI_CLK
setup time
tSU:CS
0ns
Wake Time
tWAKE
10
20
us
SPI_CS# asserted to CLK assert
TABLE 3-2:
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



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