Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | CD4001 |  167Kb/6P | Quad 2-Input NOR,NAND Buffered B Series Gate |
 National Semiconductor ... | CD4001 |  164Kb/6P | Quad 2-Input NOR(NAND) Buffered B Series Gate |
 National Semiconductor ... | CD40011 |  167Kb/6P | Quad 2-Input NOR,NAND Buffered B Series Gate |
CD40011BMJ |  167Kb/6P | Quad 2-Input NOR,NAND Buffered B Series Gate |
 National Semiconductor ... | CD4001B |  164Kb/6P | Quad 2-Input NOR(NAND) Buffered B Series Gate |
 National Semiconductor ... | CD4001BC |  167Kb/6P | Quad 2-Input NOR,NAND Buffered B Series Gate |
 National Semiconductor ... | CD4001BC |  164Kb/6P | Quad 2-Input NOR(NAND) Buffered B Series Gate |
CD4001BCJ |  167Kb/6P | Quad 2-Input NOR,NAND Buffered B Series Gate |