【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
【NXP Semiconductors】HEF4021BT,652,IC REGISTER STATIC 8BIT 16-SOIC
【NXP Semiconductors】HEF4021BT,653,IC STATIC SHIFT REG 8BIT 16SOIC
【NXP Semiconductors】HEF4021BTD,计数器移位寄存器 8-B STATIC SHIFT REG