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ISL3243EIRZ Folha de dados(PDF) 3 Page - Intersil Corporation |
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ISL3243EIRZ Folha de dados(HTML) 3 Page - Intersil Corporation |
3 / 16 page ISL3241E, ISL3243E 3 FN6768.2 June 18, 2012 30 30 C2- External capacitor (voltage inverter) is connected to this lead. 12, 11, 10 12, 11, 10 T1IN, T2IN, T3IN TTL/CMOS compatible transmitter Inputs. The VL voltage sets the input switching point. 6, 7, 8 6, 7, 8 T1OUT, T2OUT, T3OUT ±15kV ESD Protected , RS-232 level (nominally ±5.5V) transmitter outputs. 1, 2, 3, 4, 5 1, 2, 3, 4, 5 R1IN, R2IN, R3IN, R4IN, R5IN ±15kV ESD Protected , RS-232 compatible receiver inputs. 18, 17 18, 17 R1OUT, R2OUT TTL/CMOS level receiver outputs. Swings between GND and VL. 20,19 19 R1OUTB, R2OUTB TTL/CMOS level, noninverting, always enabled receiver outputs. Swings between GND and VL. 20 INVALID Active low output that indicates if no valid RS-232 levels are present on any receiver input. Swings between GND and VL. 21 FORCEOFF Active low to shut down transmitters and on-chip power supply. This overrides any automatic circuitry and FORCEON (see Table 2). The VL voltage sets the input switching point. 22 FORCEON Active high input to override automatic powerdown circuitry thereby keeping transmitters active. (FORCEOFF must be high). The VL voltage sets the input switching point. 22 EN Active low receiver enable control. The VL voltage sets the input switching point. 21 SHDN Active low input to shut down transmitters and on-board power supply, to place device in low power mode. The VL voltage sets the input switching point. 9, 16, 32 9, 16, 32 NC No Connection PAD Exposed Thermal Pad. Connect to GND. Pin Descriptions (Continued) PIN NUMBER ISL3241E PIN NUMBER ISL3243E PIN NAME FUNCTION |
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