alc203-lf Realtek Semiconductor Corporation, alc203-lf Datasheet - Page 32

• Manufacturer Part Number: alc203-lf
• Description: Two-channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

7.1.4 S/PDIF output Characteristics
Dvdd= 3.3V, T
7.2 AC Timing Characteristics
7.2.1 Cold Reset
7.2.2 Warm Reset
Two-Channel AC’97 2.3 Audio Codec
High level output voltage
Low level output voltage
RESET# active low pulse width
RESET# inactive to BIT_CLK
Startup delay
SYNC active high pulse width
SYNC inactive to BIT_CLK
Startup delay
Parameter
Parameter
Parameter
ambient
=25
0
C, with 75Ω external load.
BITCLK
BITCLK
RESET#
SYNC
T
Symbol
Symbol
Symbol
T
T
T
sync_high
V
V
sync2clk
rst_low
rst2clk
OH
OL
Warm reset timing diagram
Cold reset timing diagram
Tsync_high Tsync2clk
Minimum
Minimum
Minimum
Trst_low
162.8
162.8
3.0
1.0
1.0
-
28
Trst2clk
Typical
Typical
Typical
3.3
0
-
-
-
-
Maximum
Maximum
Maximum
0.3
ALC203 DataSheet
-
-
-
-
Units
Units
Units
µs
µs
ns
ns
V
V
Rev1.6