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DM9621 Datasheet(PDF) 55 Page - Davicom Semiconductor, Inc.

Part # DM9621
Description  USB2.0 to 10/100M Fast Ethernet Controller
PDF  66 Pages
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Manufacturer  DAVICOM [Davicom Semiconductor, Inc.]
Direct Link  http://www.davicom.com.tw
Logo DAVICOM - Davicom Semiconductor, Inc.

DM9621 Datasheet(HTML) 55 Page - Davicom Semiconductor, Inc.

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DM9621
USB2.0 to Fast Ethernet Controller
Preliminary
55
Version: DM9621 -14-DS-P02
February 23, 2011
8.2 DC Electrical Characteristics (VDD = 3.3V)
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
Inputs
VIL
Input Low Voltage
-
-
0.8
V
VIH
Input High Voltage
2.0
-
-
V
IIL
Input Low Leakage Current
-1
-
-
uA
VIN = 0.0V
IIH
Input High Leakage Current
-
-
1
uA
VIN = 3.3V
Outputs
VOL
Output Low Voltage
-
-
0.4
V
IOL = 4mA
VOH
Output High Voltage
2.4
-
-
V
IOH = -4mA
Receiver
VICM
RX+/RX- Common Mode Input
Voltage
-
1.8
-
V
100
Ω Termination
Across
Transmitter
VTD100
100TX+/- Differential Output
Voltage
1.9
2.0
2.1
V
Peak to Peak
VTD10
10TX+/- Differential Output Voltage
4.4
5
5.6
V
Peak to Peak
ITD100
100TX+/- Differential Output
Current
│19│
│20│
│21│
mA
Absolute Value
ITD10
10TX+/- Differential Output Current
│44│
│50│
│56│
mA
Absolute Value
8.3 AC Electrical Characteristics & Timing Waveforms
8.3.1 TP Interface
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
tTR/F
100TX+/- Differential Rise/Fall Time
3.0
-
5.0
ns
tTM
100TX+/- Differential Rise/Fall Time
Mismatch
0
-
0.5
ns
tTDC
100TX+/- Differential Output Duty Cycle
Distortion
0
-
0.5
ns
Tt/T
100TX+/- Differential Output Peak-to-Peak
Jitter
0
-
1.4
ns



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