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MM74C908 - Dual CMOS 30V Relay Driver

Key Features

  • The MM74C908 and MM74C918 are general purpose dual high voltage drivers each capable of sourcing a minimum of 250 mA at VOUT e VCC b 3V and TJ e 65 C The MM74C908 and MM74C918 consist of two CMOS NAND gates driving an emitter follower Darlington output to achieve high current drive and high voltage capabilities In the ‘‘OFF’’ state the outputs can withstand a maximum of b30V across the device These CMOS drivers are useful in interfacing normal CMOS voltage levels to driving relays regulators la.

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MM74C908 MM74C918 Dual CMOS 30V Relay Driver November 1990 MM74C908 MM74C918 Dual CMOS 30V Relay Driver General Description Features The MM74C908 and MM74C918 are general purpose dual high voltage drivers each capable of sourcing a minimum of 250 mA at VOUT e VCC b 3V and TJ e 65 C The MM74C908 and MM74C918 consist of two CMOS NAND gates driving an emitter follower Darlington output to achieve high current drive and high voltage capabilities In the ‘‘OFF’’ state the outputs can withstand a maximum of b30V across the device These CMOS drivers are useful in interfacing normal CMOS voltage levels to driving relays regulators lamps etc Y Wide supply voltage range Y High noise immunity Y Low output ‘‘ON’’ resistance Y High voltage Y High current 3V to 18V 0 45 VCC (typ ) 8X (typ ) b30V 2