贴片直插SN54HC640J SN54HC393J SN3726JIR1 SN4188JIR1 5

贴片直插SN54LS151J，SN54HC640J，SN3726JIR1，SN54HC373J，4

SN5HC640J MC54HC640AJ进口现货 批量供应

SN54HC640J进口现货，集成电路IC 批量供应

贴插54HC32BCAJC-LMF-3300P32-54AC640DMQB-SN74ALS157J

CD4093BF3A SN54HC245J SN54LS640J SN74LS374N

新SNJ54LS273J SNJ54LS640J SNJ54HC640J SN75ALS165N R