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DP83840A Datasheet(PDF) 71 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DP83840A
Description  10/100 Mb/s Ethernet Physical Layer
PDF  89 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DP83840A Datasheet(HTML) 71 Page - National Semiconductor (TI)

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8.0 Electrical Specifications (Continued)
71
Version A
IIL
I
I/O
I/O, Z
(excluding RXI+/-
and RD+/-)
Input Low
Current
VIN = GND
10
µA
X1 Input
X2 = N.C.
100
µA
TMS, TDI, TRST
Inputs
1mA
VOL
O, Z
I/O
I/O, Z
Output Low
Voltage
IOL = 4 mA
0.4
V
VOH
O, Z
I/O
I/O, Z
Output High
Voltage
IOL = -4 mA
VCC -
0.5
V
TX_CLK Pin
VCC -
1.5
V
IOZ1
I/O, Z
O, Z
TRI-STATE
Leakage
VOUT = VCC
10
µA
IOZ2
I/O, Z
O, Z
TRI-STATE
Leakage
VOUT = GND
-10
µA
ROL
TXU+/-
TXS+/-
Low Level
Output
Impedance
5
Ω
ROH
TXU+/-
TXS+/-
High Level
Output
Impedance
5
Ω
VOD
TXU+/-
TXS+/-
Differential
Output Voltage
Open Circuit
+/-2.5
V
CIN1
I
CMOS Input
Capacitance
8pF
CIN2
I
ECL Input
Capacitance
5pF
COUT1
O
Z
CMOS Output
Capacitance
10
pF
COUT2
O
Z
ECL Output
Capacitance
5pF
VTH1
RXI+/-
10BASE-T
Receive
Threshold
300
585
mV
VTH2
RXI+/-
10BASE-T
Receive Low
Squelch
Threshold
175
300
mV
VDIFF
I (ECL)
Input Voltage
Differential
Both inputs tested
together
150
mV
VCM
I (ECL)
Common Mode
Voltage
Both Inputs Tested
Together, VDIFF = 300
mV
VCC -
2.0
VCC -
0.5
mV
8.2 DC Specifications
Symbol
Pin Types
Parameter
Conditions
Min
Typ
Max
Units



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