SN74LS688

SN74LS682, SN74LS684, SN74LS688 8−Bit Magnitude Comparators The SN74LS682, 684, 688 are 8-bit magnitude comparators. These device types are designed to perform comparisons between two eight-bit binary or BCD words. All device types provide P = Q outputs and the LS682 and LS684 have P>Q outputs also. The LS682, LS684 and LS688 are totem pole devices. The LS682 has a 20 kΩ pullup resistor on the Q inputs for analog or switch data. TYPE LS682 LS684 LS688 P=Q yes yes yes P>Q yes yes no OUTPUT ENABLE no no yes OUTPUT CONFIGURATION totem-pole totem-pole totem-pole PULLUP yes no no GUARANTEED OPERATING RANGES Symbol Parameter Min Typ Max Unit VCC Supply Voltage TA Operating Ambient Temperature Range 4.75 5.0 5.25 V 0 25 70 °C IOH Output Current − High IOL Output Current − Low − 0.4 mA 24 mA http://onsemi.com LOW POWER SCHOTTKY MARKING DIAGRAMS 20 1 PDIP−20 N SUFFIX CASE 738 SN74LS68xN AWLYYWW 1 20 LS68x SOIC−20 1 DW SUFFIX AWLYYWW CASE 751D x = 2, 4, or 8 A = Assembly L1ocation WL = Wafer Lot YY = Year WW = Work Week ORDERING INFORMATION Device Package Shipping SN74LS682N PDIP−20 1440 Units/Box SN74LS682DW SOIC−WIDE 38 Units/Rail SN74LS682DWR2 SOIC−WIDE 2500/Tape & Reel SN74LS684N PDIP−20 1440 Units/Box SN74LS684DW SOIC−WIDE 38 Units/Rail SN74LS684DWR2 SOIC−WIDE 2500/Tape & Reel SN74LS688N PDIP−20 1440 Units/Box SN74LS688DW SOIC−WIDE 38 Units/Rail SN74LS688DWR2 SOIC−WIDE 2500/Tape & Reel © Semiconductor Components Industries,...