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AS3542 3v2
Data Sheet, Strictly Confidential - D e ta i l e d D e s c r i p t i o n - A u d i o F u n c t i o n s
8.7.3 Parameter
Figure 18. 2-Wire Serial Timing
DVDD =2.9V, T
amb
=25ºC; unless otherwise specified
Table 18. 2-Wire Serial Parameter
Symbol
Parameter
Condition
Min
Typ
Max
Unit
V
CSL
CSCL, CSDA Low Input
Level
(max 30%DVDD)
0
-
0.87
V
V
CSH
CSCL, CSDA High Input
Level
CSCL, CSDA (min 70%DVDD)
2.03
-
5.5
V
HYST
CSCL, CSDA Input
Hysteresis
200
450
800
mV
V
OL
CSDA Low Output Level
at 3mA
-
-
0.4
V
Tsp
Spike insensitivity
50
100
-
ns
T
H
Clock high time
max. 400kHz clock speed
500
ns
T
L
Clock low time
max. 400kHz clock speed
500
ns
T
SU
CSDA has to change Tsetup before
rising edge of CSCL
250
-
-
ns
T
HD
No hold time needed for CSDA relative
to rising edge of CSCL
0
-
-
ns
TS
CSDA H hold time relative to CSDA
edge for start/stop/rep_start
200
-
-
ns
T
PD
CSDA prop delay relative to lowgoing
edge of CSCL
50
ns