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SP232AET-L Datasheet(PDF) 3 Page - Exar Corporation |
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SP232AET-L Datasheet(HTML) 3 Page - Exar Corporation |
3 / 11 page 3 Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50)668-7000 • Fax (50)668-707 • www.exar.com SP232A_00_05308 DYnAMiC CHARACTERiSTiCS Driver Propagation Delay TTL to RS_232; CL = 50pF .5 3.0 μs Receiver Propagation Delay RS-232 to TTL, 0. .0 μs Instantaneous Slew Rate CL = 10pF, RL = 3-7kΩ 30 V/ μs Transition Region Slew Rate CL = 2500pF, RL = 3kΩ; Measured from +3V to -3V or -3V to +3V 0 V/ μs PoWER REQUiREMEnTS Vcc Power Supply Current No Load, Vcc = 5V, Ta =25°C .5 5 mA Vcc Power Supply Current, Loaded All Transmitters RL = 3kΩ, Ta =25°C mA ELECTRiCAL CHARACTERiSTiCS Vcc=5V ±0%, 0. μF charge pump capacitors, Tmin to Tmax , unless otherwise noted, Typical values are Vcc=5V and Ta =25°C Pin ASSignMEnTS Pin number Pin name Pin Function C+ Positive terminal of the voltage doubler charge pump capacitor 2 V+ +6.5V generated by the charge pump 3 C- Negative terminal of the voltage doubler charge pump capacitor 4 C2+ Positive terminal of the inverting charge pump capacitor 5 C2- Negative terminal of the inverting charge pump capacitor 6 V- -6.7V generated by the charge pump 7 T2OUT RS-232 driver output 8 R2IN RS-232 receiver input 9 R2OUT TTL/CMOS receiver output 0 T2IN TTL/CMOS driver input TIN TTL/CMOS driver input 2 ROUT TTL/CMOS receiver output 3 RIN RS-232 receiver input 4 TOUT RS-232 driver output 5 GND Ground 6 Vcc 5V supply voltage |
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