CD74HC27 Datasheet | Texas Instruments

Data sheet acquired from Harris Semiconductor SCHS132C August 1997 - Revised September 2003 CD54HC27, CD74HC27, CD54HCT27, CD74HCT27 High-Speed CMOS Logic Triple 3-Input NOR Gate [ /Title (CD74 HC27, CD74 HCT27 ) /Subject (High Speed CMOS Logic Features Description - Buffered Inputs - Typical Propagation Delay: CL = 15p F, TA = 25o C 7ns at = 5V, - Fanout (Over Temperature Range) - Standard Outputs - - - 10 LSTTL Loads - Bus Driver Outputs - - . . . 15 LSTTL Loads - Wide Operating Temperature Range . . . -55o C to 125o C - Balanced Propagation Delay and Transition Times - Significant Power Reduction pared to LSTTL Logic ICs - HC Types - 2V to 6V Operation - High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V - HCT Types - 4.5V to 5.5V Operation - Direct LSTTL Input Logic patibility, VIL= 0.8V (Max), VIH = 2V (Min) - CMOS Input patibility, Il ≤ 1µA at VOL, VOH The ’HC27 and ’HCT27 logic gates utilize silicon gate CMOS technology to achieve operating speeds similar to LSTTL gates with the low power consumption of standard CMOS integrated circuits. All devices have the ability to drive 10 LSTTL loads. The HCT logic family is functionally pin patible with the standard LS logic...