| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | NM27C512V90 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |
 National Semiconductor ... | NM27C512V120 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |
 National Semiconductor ... | NM27C512V150 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |
 National Semiconductor ... | NM27C512V200 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |
| NM27C512VE120 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |
 National Semiconductor ... | NM27C512VE150 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |
 National Semiconductor ... | NM27C512VE200 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |
| NM27C512VE90 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |
 National Semiconductor ... | NM27C512N120 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |
 National Semiconductor ... | NM27C512N150 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |
| NM27C512N200 |  159Kb/10P | 524,288-Bit (64K x 8) High Performance CMOS EPROM |