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
HEF4021BT-Q100J,IC SHIFT REGISTER 8BIT 16SOIC
HEF4021BTTJ,IC SHIFT REGISTER 8BIT