M74HC191B1R | 4 BIT SYNCHRONOUS UP/DOWN COUNTERS | STMICROELECTRONICS[STMicroelectronics] | ![STMICROELECTRONICS[STMicroelectronics]的LOGO](/PdfSupLogo/150STMICROELECTRONICS.GIF) | 299.44 Kbytes | 共14页 |  | MCM62110,MCM63F733A,MCM67C518,MCM69P737,MSC23S2640E,US3022,VDS8608A8A,A43L8316,HY57V648010,SN74LV8154 |
M74HC191B1R | 4 BIT SYNCHRONOUS UP/DOWN COUNTERS | STMICROELECTRONICS[STMicroelectronics] | ![STMICROELECTRONICS[STMicroelectronics]的LOGO](/PdfSupLogo/150STMICROELECTRONICS.GIF) | 566.81 Kbytes | 共14页 |  | M74HC190_01,M54HC191_04,SN54LS169B_99,CD54HC192_07,CD54HC192_08,SN54ALS569A_08,SN54HC191,SN54ALS169B_07,HCF40103B_02,SN54AS867_07 |