【NXP Semiconductors】74HCT193DB,计数器 IC 4-BIT BINARY UP/DOWN COUNTER
【NXP Semiconductors】74HCT193DB,112,IC SYNC 4BIT UP/DWN COUNT 16SSOP
【NXP Semiconductors】74HCT193DB,118,IC COUNTER UP/DOWN SYNC 16SSOP
【NXP Semiconductors】74HCT193DB-T,计数器 IC 4-BIT BINARY UP/DOWN COUNTER
【NXP Semiconductors】74HCT193N,计数器 IC 4-BIT BINARY UP/DOWN COUNTER
【NXP Semiconductors】74HCT193N,652,IC COUNTER UP/DOWN SYNC 16-DIP