74HC4040N,
【NXP Semiconductors】74HC4040N,652,IC COUNTER 12STAGE BINARY 16DIP
74HC4040N652,
【NXP Semiconductors】74HC4040PW,计数器 IC 12-STAGE BINARY RIPPLE COUNTER
【NXP Semiconductors】74HC4040PW,112,IC 12STAGE BIANRY RIPPLE 16TSSOP
【NXP Semiconductors】74HC4040PW,118,IC 12STAGE BINARY RIPPLE 16TSSOP
74HC4040PW-Q100J,IC BINARY COUNTER 12BIT 16TSSOP