MAX202E Просмотр технического описания (PDF) - Maxim Integrated
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MAX202E Datasheet PDF : 25 Pages
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MAX202E–MAX213E,
MAX232E/MAX241E
±15kV ESD-Protected,
5V RS-232 Transceivers
Pin Descriptions
MAX202E/MAX232E
PIN
DIP/SO/TSSOP
LCC
1, 3
2, 4
2
3
4, 5
5, 7
6
8
7, 14
9, 18
8, 13
10, 17
9, 12
12, 15
10, 11
13, 14
15
19
16
20
__
1, 6, 11, 16
NAME
C1+, C1-
V+
C2+, C2-
V-
T_OUT
R_IN
R_OUT
T_IN
GND
VCC
N.C.
FUNCTION
Terminals for Positive Charge-Pump Capacitor
+2VCC Voltage Generated by the Charge Pump
Terminals for Negative Charge-Pump Capacitor
-2VCC Voltage Generated by the Charge Pump
RS-232 Driver Outputs
RS-232 Receiver Inputs
RS-232 Receiver Outputs
RS-232 Driver Inputs
Ground
+4.5V to +5.5V Supply-Voltage Input
No Connection—Not Internally Connected
MAX203E
PIN
DIP
SO
1, 2
1, 2
3, 20
3, 20
4,19
4, 19
5,18
5, 18
6, 9
6, 9
7
7
8
13
10, 16
11, 16
12, 17
10, 17
13
14
14
8
11, 15
12, 15
NAME
T_IN
R_OUT
R_IN
T_OUT
GND
VCC
C1+
C2-
V-
C1-
V+
C2+
FUNCTION
RS-232 Driver Inputs
RS-232 Receiver Outputs
RS-232 Receiver Inputs
RS-232 Transmitter Outputs
Ground
+4.5V to +5.5V Supply-Voltage Input
Make no connection to this pin.
Connect pins together.
-2VCC Voltage Generated by the Charge Pump. Connect pins together.
Make no connection to this pin.
+2VCC Voltage Generated by the Charge Pump
Connect pins together.
MAX205E
PIN
1–4, 19
5, 10, 13, 18, 24
6, 9, 14, 17, 23
7, 8, 15, 16, 22
11
12
20
21
NAME
T_OUT
R_IN
R_OUT
T_IN
GND
VCC
EN
SHDN
RS-232 Driver Outputs
FUNCTION
RS-232 Receiver Inputs
TTL/CMOS Receiver Outputs. All receivers are inactive in shutdown.
TTL/CMOS Driver Inputs. Internal pullups to VCC.
Ground
+4.75V to +5.25V Supply Voltage
Receiver Enable—Active Low
Shutdown Control—Active High
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