SN74AHC00D
SN74AHC00DBLE
SN74AHC00DBR
SN74AHC00DBRE4
SN74AHC00DBRG4
SN74AHC00DCKR
SN74AHC00DE4
SN74AHC00DG4
SN74AHC00DGVR
SN74AHC00DGVRE4
19129491934(手机优先微信同号)