30 Types 74HCxx Series Logic IC Assortment Kit Logic Gates HighSpeed TTL

49Pcs 25 Types 74Hcxx and 74Lsxx Series Logic IC Assortment Kit & IC Socket, ...

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40Pcs 20 Different Types 74Hcxx and 74Lsxx Series Logic IC Assortment Kit

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49Pcs 25 Types 74Hcxx and 74Lsxx Series Logic IC Assortment Kit & IC Socket,Mini

40Pcs(20Pcs 74Hcxx+20Pcs 74Lsxx) Series Logic IC Assortment Kit