sx8638 Semtech Corporation, sx8638 Datasheet - Page 9

• Manufacturer Part Number: sx8638
• Description: Low Power, Capacitive Button And Slider Touch Controller 8 Sensors With Enhanced Led Drivers And Proximity
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
Notes:
(i) All timing specifications, Figure 4 and Figure 5, refer to voltage levels (V
The interface complies with slave F/S mode as described by NXP: “I2C-bus specification, Rev. 03 - 19 June 2007”
Revision 7_6, September 10
Parameter
I2C Timing Specifications
SCL clock frequency
SCL low period
SCL high period
Data setup time
Data hold time
Repeated start setup time
Start condition hold time
Stop condition setup time
Bus free time between stop and start
Input glitch suppression
(i)
Figure 4
Symbol
f
t
t
t
t
t
t
t
t
t
Table 6
SCL
LOW
HIGH
SU;DAT
HD;DAT
SU;STA
HD;STA
SU;STO
BUF
SP
© 2010 Semtech Corp.
Figure 5
Low Power, Capacitive Button and Slider Touch Controller
I2C Start and Stop timing
I2C Timing Specification
(8 sensors) with Enhanced LED Drivers and Proximity
I2C Data timing
Conditions
9
Min.
1.3
0.6
100
0
0.6
0.6
0.6
500
IL
, V
IH
, V
OL
Typ.
) defined in Table 5.
DATASHEET
www.semtech.com
Max.
400
50
SX8638
Unit
KHz
us
us
ns
ns
us
us
us
us
ns