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參數(shù)資料
| 型號： | DM9081F |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 10BASE-T Hub Controller |
| 中文描述： | 10Base - T集線器控制器 |
| 文件頁數(shù)： | 13/22頁 |
| 文件大?。?/td> | 188K |
| 代理商： | DM9081F |
DM9081
Final
Version: DM9081-DS-F01
April 22, 1997
13
Absolute Maximum Ratings*
*Comments
Supply Voltage (V
DD
) ..............................-0.5V to +7.0V
DC Input Voltage (V
IN
)....................-0.5V to V
CC
+0.5V
DC Output Voltage (V
OUT
) ..............-0.5V to V
CC
+0.5V
Storage Temperature Range (Tstg) ........-65
°
C to +150
°
C
Power Dissipation (PD)...........................................1.2W
Lead Temp. (TL) (Soldering, 10sec.).....................260
°
C
ESD Rating (Rzap=1.5K, Czap=100pF) ................2000V
Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to this device.
These are stress ratings only. Functional operation of this
device at these or any other conditions above those
indicated in the operational sections of this specification is
not implied or intended. Exposure to the absolute
maximum rating conditions for extended periods may
affect device reliability.
DC Electrical Characteristics
(V
DD
=5V
±
5%, T
A
=0
°
C to 70
°
C, unless otherwise specified.)
Symbol
V
IL
V
IH
V
OL
V
OH
I
IL
Parameter
Min.
-0.5
2.0
-
2.4
-
Typ.
Max.
0.8
DV
DD
+0.5
0.4
-
10
Unit
V
V
V
V
uA
Conditions
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Input Leakage Current
(also DAT as Input)
X2 Crystal Input Low Voltage
X2 Crystal Input High Voltage
Crystal Input Low Current
Crystal Input High Current
DGND=0.0V, Except DAT
Except DAT
I
OL
=4mA
I
OH
=-4mA
DGND<V
IN
<DV
DD
V
ILX
V
IHX
I
ILX
I
IHX
AUI Port
V
OD
-0.5
3.8
-
-
1.0
V
V
uA
uA
DGND=0.0V
DGND=0.0V
V
IN
=DGND
V
IN
=DV
DD
DV
DD
+0.5
10
10
Differential Output Voltage (TXP,
TXN)
Differential Output Voltage
Imbalance (TXP, TXN)
Undershoot Voltage
(TXP, TXN)
Differential Squelch Threshold
(RXP/RXN and CDP/CDN)
Differential Input Common Mode
Voltage
(RXP/RXN and CDP/CDN)
Twisted Pair Port
V
TIDF
TP Input Voltage
TPO+/TPO-/DTPO+/DTPO-:
Low
High
550
1200
mV
78
termination, and 270
from each to GND
78
termination, and 270
from each to GND
78
termination, and 270
from each to GND
Negative pulse
V
OB
-
40
mV
V
U
-
100
mV
V
DS
175
300
mV
V
CM
V
DD
/2
V
350
2000
mV
V
OL
V
OH
-
4.9
0.1
-
V
V
DC Output Series Impedance:
R
TP0
TP Drives
R
TPI
RXD+/RXD- Input Resistance
-
10
24
K
16
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