74LCX540MTCIC INVERTER 8-INPUT 20TSSOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant MC74LCX540DTG 74LCX540MTCXIC INVERTER 8-INPUT 20TSSOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74LVC540APWR SN74LVC540APWR MC74LCX540DTR2G