【NXP Semiconductors】74HCT191D,653,IC COUNTER UP/DOWN SYNC 16SOIC
【NXP Semiconductors】74HCT191D-T,计数器 IC SYNC BIN U/D COUNTER
【NXP Semiconductors】74HCT191N,计数器 IC SYNC BIN U/D COUNTER
【NXP Semiconductors】74HCT191N,652,IC COUNTER UP/DOWN SYNC 16-DIP
【NXP Semiconductors】74HCT193D,计数器 IC 4BIT COUNTR U/D SYNC
【NXP Semiconductors】74HCT193D,652,IC COUNTER UP/DOWN SYNC 16SOIC
【NXP Semiconductors】74HCT193D,653,IC COUNTER UP/DOWN SYNC 16SOIC
74HCT193D652,