CD54HC540

Data sheet acquired from Harris Semiconductor SCHS189C January 1998 - Revised July 2004 CD54/74HC540, CD74HCT540, CD54/74HC541, CD54/74HCT541 High-Speed CMOS Logic Octal Buffer and Line Drivers, Three-State [ /Title (CD74 HC540 , CD74 HCT54 0, CD74 HC541 , CD74 HCT54 Features Description ’HC540, CD74HCT540 . . . . . . . . . . . . . . . . . . . Inverting ’HC541, ’HCT541 . . . . . . . . . . . . . . . . . . . . . . Non-Inverting Buffered Inputs Three-State Outputs Bus Line Driving Capability Typical Propagation Delay CL = 15pF, TA = 25oC = 9ns at VCC = 5V, Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads Wide Operating Temperature Range . . . -55oC to 125oC Balanced Propagation Delay and Transition Times Significant Power Reduction Compared 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 Compatibility, VIL= 0.8V (Max), VIH = 2V (Min) - CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH The ’HC540 and CD74HCT540 are Inverting Octal Buffers and Line Drivers with Three-State Outputs and the capability to drive 15 LSTTL loads. The ’HC541 and ’HCT541 are NonInverting Octal Buffers and Line Drivers with Three-State Outputs that can drive 15 LSTTL loads. The Output Enables (OE1) and (OE2) control the Three-State...