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Single-Chip Dual-Channel AC’97 Audio Codec
EMP202
EMPIA Technology
7/15/2002
21
5.3.5.MX7E VENDOR ID2
Default: FFFFH
Bit
Type
Function
15:0
R
Vendor ID: FFFFH
6. Electrical Characteristics
6.1. DC Characteristics
Dvdd= 3.3V ±5%, Tambient=25 0 C, with 50pF external load.-
Parameter
Symbol
Min
Typical
Max
Units
Input voltage range
Vin
-0.30
-
DVdd+0.30
V
Low level input voltage
SYNC,SDATA_OUT,RESET#
XTAL_IN,BIT_CLK ID1#,ID0#
VIL
-
-
-
1.2 / 0.7
1.7 / 1.0
2.0 / 1.2
0.30*DVdd
-
-
V
High level input voltage
SYNC,SDATA_OUT,RESET#
XTAL_IN,BIT_CLK ID1#,ID0#
VIH
0.40*DVdd
-
-
2.1 / 1.7
3.2 / 2.2
2.5 / 1.7
-
-
-
V
High level output voltage
VOH
0.90DVdd
-
-
V
Low level output voltage
VOL
-
-
0.1DVdd
V
Pull up resistance
50K
100K
200K
Input leakage current
-
-10
-
10
uA
Output leakage current (Hi-Z)
-
-10
-
10
uA
Output buffer drive current
-
-
5
-
mA
6.2. AC Timing Characteristics
6.2.1.Cold Reset
Parameter
Symbol
Min
Typical
Max
Units
RESET# active low pulse width
Trst_low
1.0
-
-
us
RESET# inactive to BIT_CLK Startup
delay
Trst2clk
162.8
-
-
ns
Tres_low
Trst2clk
RESET#
BIT_CLK
SDATA_IN
Ttri2actv
Ttri2actv
Cold reset timing diagram
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