制造商：PHILIPS
制造商全称：NXP Semiconductors
功能描述：8-bit shift register with output laches 3-State
N74F640D
N74F640D,602
N74F640D,623
N74F640D-T
N74F640N
N74F640N,602
N74F656AD
N74F656AD,602
N74F656AD,623
N74F656AD-T