EXPRESSCARD  POWER INTERFACE SWITCH

The UTC US12231 ExpressCardTM  power interface switchesare designed to meet the ExpressCardTM specification. The UTC US12231 distribute 3.3V, AUX, and 1.5V to the single-slot ExpressCard|34 or ExpressCard|54 sockets. Each voltage rail is protected with integrated current-limiting circuitry, other fu • Meets the ExpressCardTM standard (ExpressCard|34 or ExpressCard|54)\n• Fully satisfies the ExpressCardTM implementation guidelines\n• TTL-Logic compatible inputs\n• -40°C ~ 85°C ambient operating temperature range;

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SPST CMOS ANALOG SWITCHES

The UTC US12A4515 are single pole/single throw (SPST),low-voltage, single-supply CMOS analog switches, with very lowswitch ON-state resistance. The US12A4515 is normally closed(NC).These CMOS switches can operate continuously with a singlesupply between 2V and 12V. Each switch can handle rail-to-rai 2V to 12V Single-Supply Operation Specified ON-State Resistance:15Ω Max With 12V Supply20Ω Max With 5V Supply50Ω Max With 3.3VSupply Low Charge Injection: 11.5pC (12V Supply) Fast Switching Speed:tON = 80ns, tOFF = 50ns (12V Supply) Break-Before-Make Operation (tON > tOFF) TTL/CMOS-Logic Compatible ;

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