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ISL3280E Folha de dados(PDF) 4 Page - Intersil Corporation |
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ISL3280E Folha de dados(HTML) 4 Page - Intersil Corporation |
4 / 15 page 4 FN6543.2 October 18, 2007 Truth Table RECEIVING INPUTS OUTPUT RE, RE A - B RO 1, 0 ≥ -0.05V 1 1, 0 ≤ -0.2V 0 1, 0 Inputs Open/Shorted 1 0, 1 X High-Z* NOTE: *Shutdown Mode, except for ISL3280E, ISL3284E Pin Descriptions PIN NAME FUNCTION RO Receiver output: If A - B ≥ -50mV, RO is high; If A - B ≤ -200mV, RO is low; RO = High if A and B are unconnected (floating) or shorted. RE, RE Receiver output enable. RO is enabled when RE/RE is high / low; RO is high impedance when RE/RE is low/high. If the Rx enable function isn’t used, connect RE directly to GND, or connect RE through a 1k Ω, or greater, resistor to VCC. RE/RE are internally pulled low/high. GND Ground connection. This is also the potential of the TDFN thermal pad. A ±16.5kV IEC61000 ESD Protected RS-485, RS-422 level, noninverting receiver input. B ±16.5kV IEC61000 ESD Protected RS-485, RS-422 level, inverting receiver input. VCC System power supply input (3.0V to 5.5V). On devices with a VL pin, power-up VCC first. VL Logic-Level Supply which sets the VIL / VIH levels for the RE (ISL3282E only) and RE (ISL3285E only) pins, and sets the VOH level of the RO output (ISL3282E, ISL3284E, ISL3285E only). Power-up this supply after VCC, and keep VL ≤ VCC. NC No Connection. Typical Operating Circuits NETWORK WITH ENABLES 0.1µF + R 6 4 1 3 5 2 VCC GND RO RE B A +3.3V TO 5V 0.1µF + D 4 6 2 3 1 5 VCC GND DE DI Z Y RT +3.3V ISL3281E ISL329xE ISL3280E, ISL3281E, ISL3282E, ISL3283E, ISL3284E, ISL3285E |
Nº de peça semelhante - ISL3280E |
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Descrição semelhante - ISL3280E |
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