74HC4538P-E
Rochester Electronics
74VHC123ASJX
74HC221FP-E
74123DC
74LS221FP-E
MC14538BFG
9602DC
74HCT4538N,112
74HC4538N,652
MC14538BFELG
DM9601N
SN74LS123DB
CD74HC4538NS
SN74LS122D
74HCT423N,112
SN74LS423DR
SN74LS422D
96LS02PC
MC1658FN
SN74121DR