【NXP Semiconductors】74HC393DB,计数器 IC DUAL 4-BIT BINARY RIPPLE COUNT
【NXP Semiconductors】74HC393DB,112,IC DUAL 4BIT BINARY COUNT 14SSOP
【NXP Semiconductors】74HC393DB,118,IC DUAL 4BIT BINARY COUNT 14SSOP
【NXP Semiconductors】74HC393DB-T,计数器 IC DUAL 4-BIT BINARY RIPPLE COUNT
【NXP Semiconductors】74HC393N,652,IC COUNTER DUAL 4BIT BIN 14DIP
