【NXP Semiconductors】HEF4020BPN,计数器 IC 14-ST BINARY COUNTER
【NXP Semiconductors】HEF4020BT,652,IC 14STG BINARY COUNTER 16-SOIC
【NXP Semiconductors】HEF4020BT,653,IC COUNTER BINARY 14STAGE 16SOIC
【NXP Semiconductors】HEF4020BTD,计数器 IC 14ST BIN RIP COUNTER
HEF4020BT-Q100J,IC BINARY COUNTER 14-BIT 16SO
HEF4021BP,
【NXP Semiconductors】HEF4021BP,652,IC REGISTER STATIC 8BIT 16-DIP
HEF4021BP-Q100U,IC SHIFT REGISTER 8BIT 16DIP