贴插D21C108 NJM244A JCY0082 PST704D CH46313 74AS757 B

贴片直插74ALS158，74ALS273，74CH244A，74F138PC，74F151AD

贴片直插SSTV32852CH SS26-LF/52T SMCJ78CA-TR SN74LVC244A 5

CH3.96-2P CH2507SPT CH245A74J CH244A3CJ CH221MSGP

全新74CH244A74CH164N74CH154N