sx8725 Semtech Corporation, sx8725 Datasheet - Page 8

• Manufacturer Part Number: sx8725
• Description: Sx8725 Zoomingadc? For Pressure And Temperature Sensing
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
Timing Characteristics
Notes:
(1) All timing specifications are referred to VILmin and VIHmax voltage levels defined for the SCL and SDA pins.
(2) The READY pulse indicates End of Conversion. This is a Low going pulse of duration equal to one cycle of the ADC sampling rate.
I
V1.5 © 2007 Semtech Corp.
2
Interrupt (Ready) timing specification
READY pulse width (2)
I2C timing specifications(1)
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 hold time
Bus free time between stop and start
Input glitch suppression
C Timing Waveforms
Parameter
t
t
f
t
t
t
t
t
t
t
t
t
LOW
IRQ
SCL
LOW
HIGH
SU;DAT
HD;DAT
SU;STA
HD;STA
SU;STO
BUF
SP
Symbol
t
SU;STA
Figure 1 - I
ZoomingADC™ for Pressure and Temperature Sensing
Figure 2 - I
t
t
HD;STA
HIGH
Comments / Conditions
2
C Start and Stop timings
t
HD;DAT
2
C Data timings
8
t
SU;DAT
t
SU;STO
t
SP
t
BUF
Min
100
1.3
0.6
0.6
0.6
0.6
1.3
50
0
0
Typ
1
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Max
400
SX8725
Unit
1/F
kHz
µs
µs
ns
ns
µs
µs
µs
µs
ns
S