【NXP Semiconductors】74HCT393DB,112,IC DUAL 4BIT RIPPLE COUNT 14SSOP
【NXP Semiconductors】74HCT393DB,118,IC DUAL 4BIT BINARY RIPPL 14SSOP
【NXP Semiconductors】74HCT393DB-T,计数器 IC DUAL 4-BIT BINARY RIPPLE CTR
【NXP Semiconductors】74HCT393N,计数器 IC DUAL 4-BIT BINARY RIPPLE CTR
【NXP Semiconductors】74HCT393N,652,IC COUNTER DUAL 4BIT BIN 14DIP
