3-Input NOR Gates
CD4025BTexas Instruments   CMOS Triple 3-Input NOR Gate 
CD4025BMSIntersil   Nor Gate, 3-Input, Triple, Rad-Hard, CMOS, Logic 
CD54HC27Texas Instruments   High Speed CMOS Logic Triple 3-Input NOR Gates 
CD54HCT27Texas Instruments   High Speed CMOS Logic Triple 3-Input NOR Gates 
CD74HC27Texas Instruments   High Speed CMOS Logic Triple 3-Input NOR Gates 
CD74HCT27Texas Instruments   High Speed CMOS Logic Triple 3-Input NOR Gates 
HCS27MSIntersil   NOR-Gate, 3-Input, Triple, Rad-Hard, High-Speed, CMOS, Logic 

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