MAX202E(2005) Просмотр технического описания (PDF) - Maxim Integrated
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MAX202E Datasheet PDF : 25 Pages
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±15kV ESD-Protected, +5V RS-232 Transceivers
________________________________________________Pin Descriptions (continued)
MAX206E
PIN
1, 2, 3, 24
4, 16, 23
5, 17, 22
6, 7, 18, 19
8
9
10, 12
11
13, 14
15
20
21
NAME
T_OUT
R_IN
R_OUT
T_IN
GND
VCC
C1+, C1-
V+
C2+, C2-
V-
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
+4.5V to +5.5V Supply Voltage
Terminals for Positive Charge-Pump Capacitor
+2VCC Generated by the Charge Pump
Terminals for Negative Charge-Pump Capacitor
-2VCC Generated by the Charge Pump
Receiver Enable—Active Low
Shutdown Control—Active High
MAX207E
PIN
1, 2, 3, 20, 24
4, 16, 23
5, 17, 22
6, 7, 18, 19, 21
8
9
10, 12
11
13, 14
15
NAME
T_OUT
R_IN
R_OUT
T_IN
GND
VCC
C1+, C1-
V+
C2+, C2-
V-
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
Terminals for Positive Charge-Pump Capacitor
+2VCC Generated by the Charge Pump
Terminals for Negative Charge-Pump Capacitor
-2VCC Generated by the Charge Pump
MAX208E
PIN
1, 2, 20, 24
3, 7, 16, 23
4, 6, 17, 22
5, 18, 19, 21
8
9
10, 12
11
13, 14
15
NAME
T_OUT
R_IN
R_OUT
T_IN
GND
VCC
C1+, C1-
V+
C2+, C2-
V-
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
+4.5V to +5.5V Supply Voltage
Terminals for Positive Charge-Pump Capacitor
+2VCC Generated by the Charge Pump
Terminals for Negative Charge-Pump Capacitor
-2VCC Generated by the Charge Pump
_______________________________________________________________________________________ 7
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