SN74ABT2240APWR SN74LV541ADBRG4 CY74FCT2245TS0C SN74LVC541AQDWREP 74LCX543WMX SN74LV245AGQNR 74FCT543ATQG8 SN74HCT245DWRE4 SN74ABT2241PWR 74LVC1G06GF,132 SN74LS245DBLE SN74LVC541AQPWREP 74LCX646MTC SN74LVC244AGQNR 74FCT543CTQG SN74ACT244NSRG4 SN74ABT2240ADWR NLV74HC126ADTR2G 74HC4049DB,112-NXP CY74FCT16952CTPACT