參數資料
型號: AX88772_07
廠商: ASIX Electronics Corporation
英文描述: USB to 10/100 Fast Ethernet/HomePNA Controller
中文描述: USB至10/100快速以太網/電話線網絡控制器
文件頁數: 34/43頁
文件大?。?/td> 318K
代理商: AX88772_07
ASIX ELECTRONICS CORPORATION
34
AX88772
USB to 10/100 Fast Ethernet/HomePNA Controller
8.1.3 Leakage Current and Capacitance
Symbol
Parameter
I
IN
Input current
I
OZ
Tri-state leakage current
C
IN
Input capacitance
C
OUT
Output capacitance
Condition
Min
-10
-10
-
-
Typ
±
1
±
1
3.1
3.1
Max
10
10
-
-
Unit
μ
A
μ
A
pF
pF
No pull-up or pull-down
C
BID
Bi-directional buffer capacitance
Note: The capacitance listed above does not include pad capacitance and package capacitance. One can estimate pin
capacitance by adding a pad capacitance of about 0.5pF and the package capacitance.
8.1.4 DC Characteristics of 2.5V I/O Pins
Symbol
Parameter
Condition
VDD2
Power supply of 2.5V I/O
Temp
Junction temperature
Vil
Input low voltage
Vih
Input high voltage
Vt-
Schmitt trigger negative going
threshold voltage
Vt+
Schmitt
trigger
positive
going
threshold voltage
Vol
Output low voltage
|Iol| = 2~16mA
Voh
Output high voltage
|Ioh| = 2~16mA
Rpu
Input pull-up resistance
Rpd
Input pull-down resistance
Iin
Input leakage current
Vin = VDD2 or 0
Ioz
Tri-state output leakage current
8.1.5 DC Characteristics of 3.3V I/O Pins
Symbol
Parameter
Condition
VDD3
Power supply of 3.3V I/O
3.3V I/O
Temp
Junction temperature
Vil
Input low voltage
Vih
Input high voltage
Vt-
Schmitt trigger negative going
threshold voltage
Vt+
Schmitt
trigger
positive
going
threshold voltage
Vol
Output low voltage
|Iol| = 2~16mA
Voh
Output high voltage
|Ioh| = 2~16mA
Rpu
Input pull-up resistance
Rpd
Input pull-down resistance
Iin
Input leakage current
Vin = VDD3 or 0
Ioz
Tri-state output leakage current
-
3.1
-
pF
Min
2.25
0
-
1.7
0.7
Typ
2.5
25
-
-
1.0
Max
2.75
115
0.7
-
-
Unit
V
V
V
V
CMOS
CMOS
-
1.5
1.7
V
-
-
-
0.4
-
190
190
10
10
V
V
1.85
40
40
-10
-10
75
75
±
1
±
1
K
Ω
K
Ω
μ
A
μ
A
Min
3.0
0
-
2.0
0.8
Typ
3.3
25
-
-
1.1
Max
3.6
115
0.8
-
-
Unit
V
V
V
V
LVTTL
LVTTL
-
1.6
2.0
V
-
-
-
0.4
-
190
190
10
10
V
V
2.4
40
40
-10
-10
75
75
±
1
±
1
K
Ω
K
Ω
μ
A
μ
A
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