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ICL3222CVZ Datasheet(PDF) 5 Page - Intersil Corporation |
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ICL3222CVZ Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 28 page 5 FN4805.21 March 1, 2006 ICL3243 (SOIC, SSOP, TSSOP) TOP VIEW Pinout s (Continued) 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 RS-232 level (nominally ±5.5V) transmitter outputs. RIN 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 powerdown circuitry thereby keeping transmitters active. (FORCEOFF must be high). ICL3221, ICL3222, ICL3223, ICL3232, ICL3241, ICL3243 |
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