CD74HC4515EN CBTV4012EE,557 BCM56842A1IFTBG CD74HCT138MT CBTV4020EE/G,118 BCM56842A1KFRB CD74HCT138MTE4 PCA8550PW/DG,118 BCM56843B1KFRBG CD74HCT139MT CBTV4012EE/G,518 BCM56846A1IFTBG CD74HCT151MT CBTV4012EE,551 BCM56846A1KFRB CD74HCT154EN CBTV4012EE,518 BCM56846LA1KFRBG CD74HCT154ENG4 CBT16210DGG,112