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ST207EBD Scheda tecnica(PDF) 2 Page - STMicroelectronics |
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ST207EBD Scheda tecnica(HTML) 2 Page - STMicroelectronics |
2 / 9 page PIN CONFIGURATION PIN DESCRIPTION PIN No SYMBOL NAME AND F UNCTION 1T3OUT RS-232 Driver Output 2T1OUT RS-232 Driver Output 3T2OUT RS-232 Driver Output 4R1IN RS-232 Receiver Input 5R1OUT TTL/CMOS Receiver Outputs. All The Receivers Are Inactive In Sutdown 6T2IN TTL/CMOS Driver Inputs. Internal Pull-up to VCC 7T1IN TTL/CMOS Driver Inputs. Internal Pull-up to VCC 8 GND Ground 9VCC 4.75V to 5.25V Supply Voltage 10 C1+ Terminal For Positive Charge-pump Capacitor 11 V+ 2VCC Generated By The Charge Pump 12 C1- Terminal For Positive Charge-pump Capacitor 13 C2+ Terminal For Negative Charge-pump Capacitor 14 C2+ Terminal For Negative Charge-pump Capacitor 15 V- -2VCC Generated By The Charge Pump 16 R3IN RS-232 Receiver Input 17 R3OUT TTL/CMOS Receiver Outputs. All The Receivers Are Inactive In Sutdown 18 T3IN TTL/CMOS Driver Inputs. Internal Pull-up to VCC 19 T4IN TTL/CMOS Driver Inputs. Internal Pull-up to VCC 20 T5OUT RS-232 Driver Output 21 T5IN TTL/CMOS Driver Inputs. Internal Pull-up to VCC 22 R2OUT TTL/CMOS Receiver Outputs. All The Receivers Are Inactive In Sutdown 23 R2IN RS-232 Receiver Input ST207E 2/9 |
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