cs4237b Cirrus Logic, Inc., cs4237b Datasheet - Page 7

• Manufacturer Part Number: cs4237b
• Description: Crystalclear Advanced Audio System With 3d Sound
• Manufacturer: Cirrus Logic, Inc.

TIMING PARAMETERS
Input Levels: Logic 0 = 0V, Logic 1 = VD1)
Notes
XD0/SDA (OUT)
DS213PP4
E
SCL Low to SDA Data Out Valid
Start Condition Hold Time
Clock Low Period
Clock High Period
Start Condition Setup Time
(for a Repeated Start Condition)
Data In Hold Time
Data In Setup Time
SDA and SCL Rise Time
SDA and SCL Fall Time
Stop Condition Setup Time
Data Out Hold Time
XD0/SDA (IN)
2
XA0/SCL
PROM Timing (Note 1)
7. Rise time on SDA is determined by the capacitance of the SDA line with all connected gates and the
external pullup resistor required.
t SU:STA
Parameter
(T
A
= 25 °C; VA, VD1, VDF1-VDF4 = +5V; outputs loaded with 30pF
t HD:STA
E
2
PROM 2-Wire Interface Timing
t F
t AA
t HD:DAT
t HSCL
(Note 7)
Symbol
t LSCL
t
t
t
t
t
HD:DAT
SU:STO
HD:STA
SU:STA
SU:DAT
t
t
LSCL
HSCL
t
t
t
DH
AA
t
R
F
t DH
t SU:DAT
Min
250
4.0
4.7
4.0
4.7
4.7
0
0
0
-
-
Max
300
3.5
1
-
-
-
-
-
-
-
-
t R
CS4237B
t SU:STO
Units
ns
ns
ns
s
s
s
s
s
s
s
s
7