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MAX232EEPE Arkusz danych(PDF) 6 Page - Maxim Integrated Products |
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MAX232EEPE Arkusz danych(HTML) 6 Page - Maxim Integrated Products |
6 / 25 page 6 _______________________________________________________________________________________ ±15kV ESD-Protected, +5V RS-232 Transceivers MAX203E MAX205E _____________________________________________________________Pin Descriptions MAX202E/MAX232E 15 10, 11 9, 12 8, 13 Ground 19 RS-232 Driver Inputs 13, 14 7, 14 6 4, 5 RS-232 Receiver Outputs 12, 15 RS-232 Receiver Inputs 10, 17 RS-232 Driver Outputs 9, 18 -2VCC Voltage Generated by the Charge Pump 8 2 1, 3 Terminals for Negative Charge-Pump Capacitor 5, 7 +2VCC Voltage Generated by the Charge Pump 3 +4.5V to +5.5V Supply-Voltage Input Terminals for Positive Charge-Pump Capacitor 2, 4 20 16 GND T_IN R_OUT R_IN T_OUT V- C2+, C2- V+ C1+, C1- VCC N.C. No Connection—Not Internally Connected 1, 6, 11, 16 __ FUNCTION NAME PIN DIP/SO/TSSOP LCC 11, 15 12, 15 Connect pins together. C2+ NAME 14 8 +2VCC Voltage Generated by the Charge Pump V+ SO C1- T_IN R_OUT R_IN T_OUT GND VCC C1+ C2- V- 13 FUNCTION 14 1, 2 RS-232 Driver Inputs Make no connection to this pin. 3, 20 RS-232 Receiver Outputs 4, 19 RS-232 Receiver Inputs 1, 2 3, 20 5, 18 RS-232 Transmitter Outputs 6, 9 Ground 7 +4.5V to +5.5V Supply-Voltage Input 13 Make no connection to this pin. 4,19 5,18 6, 9 11, 16 Connect pins together. 10, 17 -2VCC Voltage Generated by the Charge Pump. Connect pins together. 7 8 10, 16 12, 17 DIP PIN NAME FUNCTION T_OUT RS-232 Driver Outputs R_IN RS-232 Receiver Inputs R_OUT TTL/CMOS Receiver Outputs. All receivers are inactive in shutdown. PIN 1–4, 19 5, 10, 13, 18, 24 T_IN TTL/CMOS Driver Inputs. Internal pullups to VCC. GND Ground VCC +4.75V to +5.25V Supply Voltage EN Receiver Enable—Active Low 6, 9, 14, 17, 23 7, 8, 15, 16, 22 11 12 20 SHDN Shutdown Control—Active High 21 |
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