| 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 |
| SN74LS197D | 4-STAGE PRESETTABLE RIPPLE COUNTERS | MOTOROLA[Motorola, Inc] | ![MOTOROLA[Motorola, Inc]的LOGO](/PdfSupLogo/105MOTOROLA.GIF) | 227.03 Kbytes | 共8页 |  | M54HC40102,CD40102B,IDT74FCT161T,PI74FCT191T,CD40102BMS,CD54HC192,DM74197,CD4510B,MC54HCT161A,IN74HC393 |
| SN74LS197D | 50/30/100-MHz [RESETTABLE DECADE OR BINARY COUNTERS/LATCHES | TI[Texas Instruments] | ![TI[Texas Instruments]的LOGO](/PdfSupLogo/158TI.GIF) | 779.54 Kbytes | 共17页 | | SN54LS390,HEF4029B,SN54ALS161B,MM54HC190,CD4029BM,M54HC4518,HD74HC668,SN54ALS160B,SN74LS68,SN54LS90 |
| SN74LS197D | 4-STAGE PRESETTABLE RIPPLE COUNTERS | MOTOROLA[Motorola, Inc] | | 93.26 Kbytes | 共6页 | | MC14526B_06,CD54HC192_1,KK74HC393A,MC14522B,KK74AC163,KK74ACT163,CD54HC192_07,KK74HC161A,KK74HC163A,MC74HC161A_06 |