DM74LS191N | Synchronous 4-Bit Up/Down Counter with Mode Control | FAIRCHILD[Fairchild Semiconductor] | ![FAIRCHILD[Fairchild Semiconductor]的LOGO](/PdfSupLogo/51FAIRCHILD.GIF) | 72.73 Kbytes | 共6页 |  | 54191,DM54LS190,HEF40160B,CD54AC193,SN54190,HEF40161B,HEF40162B,HEF40163B,DM74LS193,HCF40161B |
DM74LS191N | Synchronous 4-Bit Up/Down Counters with Mode Control | NSC[National Semiconductor] | ![NSC[National Semiconductor]的LOGO](/PdfSupLogo/106NSC.GIF) | 174.74 Kbytes | 共8页 |  | SN54190,DM74LS191,54191,MM54HC190,SN54192,SN54ALS193A,SN54ALS561A,SN54ALS569A,SN54HC193,HEF40160B |