| 描述 | 计数器 IC SO-16 BCD SYNC UP/DN |
|---|
【STMicroelectronics】M74HC190RM13TR,IC COUNTR UP/DN 4BIT SYNC 16SOIC
【STMicroelectronics】M74HC191B1R,IC COUNTER UP/DN 4BIT SYNC 16DIP
【STMicroelectronics】M74HC191M1R,计数器 IC DISC BY STM 4/01 4-BIT SYNC BIN UP/DN
【STMicroelectronics】M74HC191RM13TR,IC COUNTR UP/DN 4BIT SYNC 16SOIC
【STMicroelectronics】M74HC192RM13TR,IC COUNTR DECADE U/D SYNC 16SOIC