Company Pedigree
| Ascendant Companies | Descendent Companies | ||
| Company | Comments | Company | Comments |
| Sperry Semiconductor | Bernard Rothlein and others left Sperry to found National Semiconductor in 1959 (Danbury, CT). Sperry successfully sued National. | ||
| Molectro | Bought by National Semiconductor under the investor group led by Peter Sprague | ||
| Fairchild Semiconductor | Peter Sprague led an investor group that bought the financially trouble National and brought in Charlie Sporck to become CEO in 1967 (Santa Clara). | ||
Company Overview
Major Achievements
Chip Identification
National Semiconductor Chips
| Microprocessors | |
| CPU’s | Pace, SC/MP, SC/MP II, IMP-16, COP400, NSC800, 16000, 32000 |
| MCU’s | |
| Bit-Slice | |
| Coprocessors | |
| Memory Devices | |
| RAM | |
| ROM | |
| PROM | |
| EPROM | |
| EEPROM | |
| CCD Memory | |
| Bubble Memory | |
| General Use Support Chips | |
| Shift Registers | |
| Interfaces | |
| Communications | |
Second Sourced Chips
| Microprocessors | |
| CPU’s | Intel 4004 |
| MCU’s | |
| Bit-Slice | |
| Memory Devices | |
| RAM | Intel 4002 |
| ROM | Intel 4001 |
| PROM | |
| EPROM | Intel 1702 |
| EEPROM | |
| CCD Memory | |
| Bubble Memory | |
| General Use Support Chips | |
| Shift Registers | Intel 4003 |
| Interfaces | Intel 4008, 4009 |
| Communications | |