RV-4162 Datasheet, PDF (31/39 Pages) MICORO CRYSTAL SWITZERLAND – Ultra Small Real Time Clock

Micro Crystal
Ultra Small Real Time Clock / Calendar Module
7.7. I²C INTERFACE TIMING CHARACTERISTICS
RV-4162
Valid for T_amb = -40°C to +85°C; V_DD= 1.3 V to 4.4 V (except where noted)
PARAMETER
SYMBOL
SCL Clock Frequency
Start Condition Set-up Time
(only relevant for a repeated start condition)
Start Condition Hold Time
(after this period the first clock pulse is generated)
Data Set-up Time¹⁾
Data Hold Time
Stop Condition Set-up Time
Bus Free Time between STOP and START condition
SCL “LOW time”
SCL “HIGH time”
SCL and SDA Rise Time
SCL and SDA Fall Time
Watchdog Output Pulse Width
fSCL
tSU ; STA
tHD ; STA
tSU ; DAT
tHD ; DAT
tSU ; STO
tBUF
tLOW
tHIGH
tr
tf
trec
MIN
MAX
0
400
600
600
100
0
600
1.3
1.3
600
300
300
96
98
1) _{Transmitter must internally provide a hold time to bridge the undefined region (300 ns max) of the falling edge of SCL.}
UNIT
kHz
ns
ns
ns
µs
ns
µs
µs
ns
ns
ns
ms
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