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SX8644 Datasheet(PDF) 10 Page - Semtech Corporation

Part # SX8644
Description  Ultra Low Power, Capacitive Button and Slider Touch Controller (12 sensors) with Enhanced LED Drivers
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8644 Datasheet(HTML) 10 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Revision 7_5, February 11
© 2011 Semtech Corp.
www.semtech.com
10
SX8644
Ultra Low Power, Capacitive Button and Slider
Touch Controller (12 sensors) with Enhanced LED Drivers
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
I2C Timing Specifications
(i)
SCL clock frequency
fSCL
400
KHz
SCL low period
tLOW
1.3
us
SCL high period
tHIGH
0.6
us
Data setup time
tSU;DAT
100
ns
Data hold time
tHD;DAT
0
ns
Repeated start setup time
tSU;STA
0.6
us
Start condition hold time
tHD;STA
0.6
us
Stop condition setup time
tSU;STO
0.6
us
Bus free time between stop and start
tBUF
500
us
Input glitch suppression
tSP
50
ns
Table 6
I2C Timing Specification
Notes:
(i) All timing specifications, Figure 6 and Figure 7, refer to voltage levels (VIL, VIH, VOL) defined in Table 5.
The interface complies with slave F/S mode as described by NXP: “I2C-bus specification, Rev. 03 - 19 June 2007”
Figure 6
I2C Start and Stop timing
Figure 7
I2C Data timing


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