| 型号 | 功能描述 | 生产厂商 | 厂商LOGO | PDF大小 | PDF页数 | 下载地址 | 相关型号 |
| SN74LS290N | DECADE AND 4-BIT BINARY COUNTERS | TI[Texas Instruments] | ![TI[Texas Instruments]的LOGO](/PdfSupLogo/158TI.GIF) | 297.54 Kbytes | 共8页 |  | SN54ALS569A,SN54ALS160B,SN54390,SN54HC160,SN54ALS190,SN54ALS161B,SN54LS160A,SN54ALS193A,SN54-74LS160A,SN54176 |
| SN74LS290N | DECADE COUNTER; 4-BIT BINARY COUNTER | MOTOROLA[Motorola, Inc] | ![MOTOROLA[Motorola, Inc]的LOGO](/PdfSupLogo/105MOTOROLA.GIF) | 205.26 Kbytes | 共7页 | | MM54C90,SN54LS90,HD74HC668,SN54-74LS192,SN54-74LS290,SN54LS192,SN54-74LS90,CD40192BC,F10016,MM74C192 |
| SN74LS290N | DECADE COUNTER; 4-BIT BINARY COUNTER | ONSEMI[ON Semiconductor] | ![ONSEMI[ON Semiconductor]的LOGO](/PdfSupLogo/112ONSEMI.GIF) | 74.26 Kbytes | 共5页 | | MM54C90,HD74HC668,SN54LS90,SN54-74LS192,SN54LS192,SN54-74LS90,CD40192BC,F10016,SN54LS290,MM74C192 |