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Электронный компонент: ILX208DW

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ILX208DW
1
Interface IC of data serial transfer with one supply voltage
Interface transceivers of serial data as per RS - 232
MAX208 standard with one supply voltage and transmitter
bipolar output voltage formed by the embedded voltage
multiplication oscillator on 4 external capacitances equal to
0,1mkF, corresponding to EIA/TIA-232E, V.28 standards, are
purposed for application in up-to-date high-performance
calculating systems, high-speed electronic devices with high
reliability of information exchange between remote objects.
Functions:
4 transmitters and 4 receivers of serial data as per RS - 232
standards
Packaged IC marking
ILX208DW SOIC
T
A
= from -40 to 85
C
Truth table
Inputs Outputs
R
IN
, T
IN
R
OUT
, T
OUT
H L
L H
Note -
H - high voltage level;
L - low voltage level

01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
ILX208DW
T2
OUT
T1
OUT
R2
OUT
R2
IN
R1
OUT
T1
IN
R1
IN
GND
V
CC
C1+
V+
C1-
C2+
V-
R4
IN
R4
OUT
T2
IN
T3
IN
T4
OUT
T4
IN
R3
OUT
R3
IN
C2-
T3
OUT
Figure 1 - Symbols of pins in package
ILX208DW
2
9
11
15
14
13
12
10
5
V+
V-
0.1 mkF
0.1 mkF
+
+
C1+
C1-
C2+
C2-
+
+
+
8
2
1
18
5
24
19
TTL/CMOS
inputs
RS-232
outputs
20
21
+5 V
+5 V
+5 V
+5 V
400
400
400
400
6.3 V
16 V
16 V
6.3 V
T1in
T2in
T3in
T4in
T4out
T3out
T2out
T1out
7
6
TTL/CMOS
outputs
RS-232
inputs
5
3
4
5
R1out
R2out
R2in
R1in
23
22
5
R3out
R3in
16
17
5
R4out
R4in
Figure 2 - Block diagram
ILX208DW
3
Pin description
Pin
number Pin name
Symbol
01
Transmitter data output (levels RS - 232)
T2
OUT
02
Transmitter data output (levels RS - 232)
T1
OUT
03
Receiver data input (levels RS - 232)
R2
IN
04
Receiver data output (levels RS - 232)
R2
OUT
05
Transmitter data input (levels TTL/CMOS)
T1
IN
06
Receiver data output (levels RS - 232)
R1
OUT
07
Receiver data input (levels RS - 232)
R1
IN
08 Common
output
GND
09
Supply output from voltage source
V
CC
10
Output of external capacitance of positive voltage multiplication
block
C1+
11
Output of multiplication block positive voltage
V+
12
Output of external capacitance of positive voltage multiplication
block
C1-
13
Output of external capacitance of negative voltage multiplication
block
C2+
14
Output of external capacitance of negative voltage multiplication
block
C2-
15
Output of multiplication block negative voltage
V-
16
Receiver data input (levels RS - 232)
R4
IN
17
Receiver data output (levels TTL/CMOS)
R4
OUT
18
Transmitter data input (levels TTL/CMOS)
T2
IN
19
Transmitter data input (levels TTL/CMOS)
T3
IN
20
Transmitter data output (levels RS - 232)
T4
OUT
21
Transmitter data input (levels TTL/CMOS)
T4
IN
22
Receiver data output (levels TTL/CMOS)
R3
OUT
23
Receiver data input (levels RS - 232)
R3
IN
24
Transmitter data output (levels RS - 232)
T3
OUT
ILX208DW
4
Absolute maximum ratings
Rate
Symbol
Parameter
min max
Unit
V
CC
Supply voltage
-0.3
6.0
V
V-
Transmitter low output voltage
0.3
-14
V+
Transmitter high output voltage
V
CC
- 0.3 V
14
VTIN
Transmitter input voltage
-0.3
V+ + 0.3 V
VRIN
Receiver input voltage
-30
30
Dissipated power (for copper frame)
-
941
mW
ISC
Transmitter short-circuit output current
Continuously
mA
Ambient temperature
-60
150
Maximum ratings
Rate
Symbol
Parameter
min Max
Unit
V
CC
Supply
voltage
4.5
5.5
V
V-
Transmitter low output voltage
-5.0
-
V+
Transmitter high output voltage
5.0
VTIN
Transmitter input voltage
0
V
CC
VRIN
Receiver input voltage
-30 30
ISC
Transmitter short-circuit output current
-
60
mA
Ambient temperature
-40
85
ILX208DW
5
Static parameters
Rate
25
C
from -40 to 85
C
Symbol Parameter
Test
conditions
min max min max
Unit
I
CC
Consumption
current static
V
= 5.5 V
V
IL
= 0 V
- 20 - 28* mA
Receiver electrical parameters
Vh Hysteresis
voltage
V
= 5.0 V
0.2
0.9
0.2
1.0
V
Von On
voltage
Von
0.1 V
I
OL
20 mkA
- 2.4 - 2.3
Voff Off
voltage
Vo
V
- 0.1 V
I
OH
-20 mkA
0.8 - 0.9 -
V
OL
Low output voltage I
OL
= 1.6 mA
V
= 4.5 V
V
IH
= 2.4 V
- 0.3 - 0.4
V
OH
High
output
voltage
I
OH
= -1.0 mA
V
= 4.5 V
V
IL
= 0.8 V
3.6 - 3.5 -
R
I
Input
resistance
V
= 5.0 V
3.0
7.0
-
kOhm
Transmitter electrical parameters
V
OL
Low output voltage V
= 4.5 V
V
IH
= 2.0 V
R
L
= 3.0 kOhm
- -5.2 - -5.0 V
V
OH
High
output
voltage
V
= 4.5 V
V
IL
= 0.8 V
R
L
= 3.0 kOhm
5.2 - 5.0 -
I
IL
Low input current V
= 5.5 V
V
IL
= 0 V
- 170 - 200 MkA
I
SC
Short-circuit
output
current
V
= 5.5 V
V
= 0 V
V
IL
= 0 V
-50 -60 mA
V
= 5.5 V
V
= 0 V
V
I
= V
50 60
R
O
Output
resistance
V
=V+=V-= 0 V
V
=
2 V
350 - 300 - Ohm
SR
Speed of output
front change
V
= 5.0 V,
L
= 50-1000 pF
R
L
= 3-7 kOhm
3.0 30 - V/mksec
ST Information
transmission
speed
V
= 4.5 V,
R
L
= 3 kOhm,
L
= 1000 pF,
t
W
= 7 mksec
140 - 120 bit/sec
ST Information
transmission
speed
V
= 4.5 V,
R
L
= 3 kOhm,
L
= 1000 pF,
t
W
= 7 mksec
140 - 120 bit/sec