RV-8564 Datasheet, PDF (31/40 Pages) MICORO CRYSTAL SWITZERLAND – I2C-Bus Interface Real Time Clock

Micro Crystal
Real Time Clock / Calendar Module
RV-8564
15.I²C BUS TIMING CHARACTERISTICS
PARAMETER¹⁾
SCL clock frequency
Hold time (repeated) START condition
Setup time for repeated START condition
LOW period of SCL clock
HIGH period of SCL clock
Bus free time between STOP and START condition
Rise time of both SDA and SCL signals
Fall time of both SDA and SCL signals
Capacitive load for each bus line
Data setup time
Data hold time
Setup time for STOP condition
Spike pulse width
SYMBOL
fSCL
tHD;STA
tSU;STA
tLOW
tHIGH
tBUF
tr
tf
Cb
tSU;DAT
tHD;DAT
tSU;STO
tw(spike)
MIN.
-
0.6
0.6
1.3
0.6
1.3
-
-
-
100
0
0.6
-
TYP.
-
-
-
-
-
-
-
-
-
-
-
MAX.
400
-
-
-
0.3
0.3
400
-
-
-
50
UNIT
kHz
µs
µs
µs
µs
µs
µs
µs
pF
ns
ns
µs
ns
1) _{All timing values are valid within the operating supply voltage at ambient temperature and referenced to VIL and VIH with an input voltage swing}
of VSS to VDD.
15.1. TIMING CHART
Note:
The I²C BUS access time between a START and a START condition or between a START and a STOP condition
to this device must be less than one second.
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