【NXP Semiconductors】74HCT4020PW-T,计数器 IC 14-STAGE BINARY COUNTER
74HCT4040BQ-Q100X,IC BINARY COUNTER 12BIT 16DHVQFN
74HCT4040BQX,IC BINARY COUNTER 12BIT 16DHVQFN
【NXP Semiconductors】74HCT4040D,计数器 IC 12-STAGE BIN COUNTER
【NXP Semiconductors】74HCT4040D,652,IC 12STAGE BINARY RIPPLE 16-SOIC
【NXP Semiconductors】74HCT4040D,653,IC 12STAGE BINARY RIPPLE 16SOIC
74HCT4040D/AUJ,IC BINARY COUNTER 12-BIT 16SO
【NXP Semiconductors】74HCT4040DB,计数器 IC 12-STAGE BINARY COUNTER