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LXT381II датащи(PDF) 28 Page - Intel Corporation

номер детали LXT381II
подробное описание детали  Octal E1 Line Interface Unit
PDF  36 Pages
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производитель  INTEL [Intel Corporation]
домашняя страница  http://www.intel.com
Logo INTEL - Intel Corporation

LXT381II датащи(HTML) 28 Page - Intel Corporation

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LXT381 — Octal E1 Line Interface
28
Datasheet
Average
transmitter
power supply
current 1
75
Ω, coax cable
120
Ω, TWP cable
75
Ω, coax cable
120
Ω, TWP cable
ITVCC
-
-
-
125
100
265
210
-
-
mA
mA
mA
mA
100% 1’s density
100% 1’s density
50% 1’s density
50% 1’s density
Average core power supply current 1
IVCC
-
80
100
mA
Average I/O power supply current 1, 2
IVCCIO
18
25
mA
Output load at TTIP and TRING
Rl
40
-
-
Ω
Table 10. DC Characteristics
Parameter
Sym
Min.
Typ.
Max.
Unit
Test Condition
High level input voltage
VIH
2-
-
V
Low level input voltage
VIL
--
0.8
V
High level output voltage1
VOH
2.4
VCCIO
V
IOUT= 400µA
Low level output voltage1
VOL
--
0.4
V
IOUT= 1.6mA
LOOP 0-7
Low level input voltage
VINL
––
1/3VCC-0.2
V
The VCC
supply refers to
VCCIO0 or
VCCIO1 only.
Midrange level input
voltage
VINM
1/3VCC+0.2
1/2VCC
2/3VCC-0.2
V
High level input voltage
VINH
2/3VCC+0.2
-
-
V
Low level input current
IINL
––
50
µA
High level input current
IINH
––
50
µA
Input leakage current
IIL
-10
–
+10
µA
Tri state leakage current
IHZ
-10
–
+10
µA
Tri state output current
IHZ
--
1
µA
TTIP, TRING
Line short circuit current
-
-
-
50
mA
RMS
2 x 11
Ω series
resistors and
1:2 transformer
Input leakage:
TMS TDI TRST
--
-
50
µA
1. Output drivers will output CMOS logic levels into CMOS loads.
Table 11. Transmit Transmission Characteristics
Parameter
Sym
Min.
Typ.
Max.
Unit
Test Condition
Output pulse
amplitude
75
Ω
120
Ω
-
2.14
2.7
2.37
3.0
2.60
3.3
V
V
Tested at the line side
Peak voltage of a
space
75
Ω
120
Ω
-
-0.237
-0.3
-
0.237
0.3
V
V
Transmit amplitude variation with supply
-
-1
-
+1
%
1. Guaranteed by design and other correlation methods.
Table 9.
Recommended Operating Conditions (Continued)
Parameter
Sym
Min.
Typ.
Max.
Unit
Test Condition
1. Current consumption over the full operating temperature and power supply voltage range.
2. Digital inputs are within 10% of the supply rails and digital outputs are driving a 50pF load.



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