制造商：National Semiconductor Corporation
功能描述：Arithmetic Logic Unit 4-Bit 24-Pin CDIP Rail
制造商：National Semiconductor
JDC-10-2
JDC-10-4
JDC-10-4-75
JDC-20-1W
JDC20-1W-75
JDC-20-2
JDC-20-3-75
JDC-20-3-75+
JDC-20-5
JDC-20-5+