型号:74LS21B1
厂商:SGS-THOMSON (SEE STMICROE
批号:24+
封装:原厂原装
74LS21N
74LS21P
74LS21PC
74LS22
74LS221
74LS221N
74LS221P
74LS240D
74LS240DW
74LS240DWR
74LS240DWR2
74LS240P
74LS240P 日立
74LS240PC
74LS240P日立
74LS241DC
74LS241N
74LS242
74LS242N
74LS242N(B)
010-61190909