MM74C90
4-Bit Decade Counter 4-Bit Binary Counter (Fairchild)
MM74C90
4-Bit Decade Counter (National Semiconductor)
MM74C901
Hex Inverting TTL Buffer (Fairchild)
MM74C901
Hex Inverting TTL / Non-Inverting TTL / Inverting CMOS / Non-Inverting CMOS Buffer (National)
MM74C902
Hex Non-Inverting TTL Buffer (Fairchild Semiconductor)
MM74C903
Hex Inverting TTL / Non-Inverting TTL / Inverting CMOS / Non-Inverting CMOS Buffer (National)
MM74C904
Hex Inverting TTL / Non-Inverting TTL / Inverting CMOS / Non-Inverting CMOS Buffer (National)
MM74C905
12-Bit Successive Approximation Register (National Semiconductor)
MM74C905
12-Bit Successive Approximation Register (Fairchild)
MM74C906
Hex Open Drain N-Channel Buffers . Hex Open Drain P-Channel Buffers (Fairchild)