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DP83902AVF 数据表(PDF) 51 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 DP83902AVF
功能描述  ST-NICTM Serial Network Interface Controller for Twisted Pair
PDF  70 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

DP83902AVF 数据表(HTML) 51 Page - National Semiconductor (TI)

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140 Preliminary Electrical Characteristics (Continued)
Preliminary DC Specifications TA e 0 Cto70 C VCC e 5V g5% unless otherwise specified (Continued)
Symbol
Parameter
Conditions
Min
Max
Units
AUI INTERFACE PINS (TXg RXg and CDg)
VOD
Diff Output Voltage (TXg)78X Termination and 270X
g
550
g
1200
mV
from Each to GND
VOB
Diff Output Voltage Imbalance (TXg)78X Termination and 270X
Typical 40 mV
(Note 1)
from Each to GND
VU
Undershoot Voltage (TXg) (Note 1)
78X Termination and 270X
Typical 80 mV
from Each to GND
VDS
Diff Squelch Threshold
b
175
b
300
mV
(RXg and CDg) (Note 1)
VCM
Diff Input Common Mode Voltage
0
525
V
(RXg and CDg) (Note 1)
OSCILLATOR PINS (X1 AND X2)
VIH
X1 Input High Voltage
X1 is Connected to an Oscillator
20
V
and GNDX2 is Grounded
VIL
X1 Input Low Voltage
X1 is Connected to an Oscillator
08
V
and GNDX2 is Grounded
IOSC
X1 Input Current
GNDX2 is Grounded
3mA
VIN e VCC or GND
IX2
X2 Input Current
X2 Grounded
4mA
(Driven Mode)
TWISTED PAIR INTERFACE PINS (TXOg TXOdg and RXIg)
RTOL
TXOdg TXOg Low Level
IOL e 25 mA
15
X
Output Resistance
RTOH
TXOdg TXOg High Level
IOH e 25 mA
15
X
Output Resistance
VSRON1
Receive Threshold
g
300
g
585
mV
Turn-On Voltage (10BASE-T)
VSRON2
Receive Threshold
g
175
g
300
mV
Turn-On Voltage (Reduced Level)
VSROFF
Receive Threshold
g
175
VSRON b 100
mV
Turn-Off Voltage (Note 1)
VDIFF
Differential Mode Input
VCC e 50V
b
31
a
31
V
Voltage Range (Note 1)
Note 1
This parameter is guaranteed by design and is not tested
51



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