ZMD31020
Sensor Signal Conditioner
Datasheet
Timing Characteristics of the serial Interface
tI2C_F
tI2C_SU_DAT
tI2C_HD_DAT
tI2C_SU_STA tI2C_HD_STA tI2C_R
tI2C_H tI2C_L
tI2C_HD_STA
tI2C_SU_STO tI2C_BF
PARAMETER
SYMBOL
fSCL
CONDITIONS
MIN
-
TYP
MAX
UNIT
kHz
µs
SCL clock frequency
100
Bus free time betw. STOP
and START condition
tI2C_BF
4.7
Hold Time (repeated)
START cond.
tI2C_HD_STA to first clock pulse
4.0
µs
LOW period of SCL
HIGH period of SCL
tI2C_L
tI2C_H
4.7
4.0
4.7
µs
µs
µs
Setup time (repeated)
START cond.
tI2C_SU_STA
Data hold time
Data setup time
tI2C_HD_DAT
tI2C_SU_DAT
tI2C_R
0
250
-
ns
ns
ns
Rise time of both SDA and
SCL
300
Fall time of both SDA and
SCL
tI2C_F
-
300
ns
µs
ns
Setup time for STOP
condition
tI2C_SU_STO
4
Input filter spike
suppression / noise
interception
tI2C_NI
spikes on SDA or
SCL of that length
are suppressed
50
Copyright © 2004, ZMD AG, Rev. 1.6, 2005-05-19
13/19
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ZMD [ Zentrum Mikroelektronik Dresden AG ]
