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ICL3223EIA Datasheet(PDF) 7 Page - Intersil Corporation |
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ICL3223EIA Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 33 page 7 FN4910.21 February 22, 2010 ICL3241E (28 LD SOIC, SSOP, TSSOP) TOP VIEW ICL3243E (28 LD SOIC, SSOP, TSSOP) TOP VIEW Pin Configurations (Continued) C2+ C2- V- R1IN R2IN R3IN R4IN R5IN T1OUT T3OUT T3IN T2IN T1IN C1+ VCC GND C1- EN R1OUTB R1OUT R2OUT R3OUT R4OUT R5OUT V+ SHDN R2OUTB 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 T2OUT C2+ C2- V- R1IN R2IN R3IN R4IN R5IN T1OUT T3OUT T3IN T2IN T1IN C1+ VCC GND C1- FORCEON INVALID R1OUT R2OUT R3OUT R4OUT R5OUT V+ FORCEOFF R2OUTB 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 T2OUT Pin Descriptions PIN FUNCTION VCC System power supply input (3.0V to 5.5V). V+ Internally generated positive transmitter supply (+5.5V). V- Internally generated negative transmitter supply (-5.5V). GND Ground connection. C1+ External capacitor (voltage doubler) is connected to this lead. C1- External capacitor (voltage doubler) is connected to this lead. C2+ External capacitor (voltage inverter) is connected to this lead. C2- External capacitor (voltage inverter) is connected to this lead. TIN TTL/CMOS compatible transmitter Inputs. TOUT ±15kV ESD Protected , RS-232 level (nominally ±5.5V) transmitter outputs. RIN ±15kV ESD Protected , RS-232 compatible receiver inputs. ROUT TTL/CMOS level receiver outputs. ROUTB TTL/CMOS level, noninverting, always enabled receiver outputs. INVALID Active low output that indicates if no valid RS-232 levels are present on any receiver input. EN Active low receiver enable control; doesn’t disable ROUTB outputs. SHDN Active low input to shut down transmitters and on-board power supply, to place device in low power mode. FORCEOFF Active low to shut down transmitters and on-chip power supply. This overrides any automatic circuitry and FORCEON (see Table 2). FORCEON Active high input to override automatic power-down circuitry thereby keeping transmitters active (FORCEOFF must be high). ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, ICL3243E |
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