| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | NM93C56M |  290Kb/8P | Electrically Erasable Programmable Memories |
| NM93C56MM |  290Kb/8P | Electrically Erasable Programmable Memories |
| NM93C56MN |  290Kb/8P | Electrically Erasable Programmable Memories |
 National Semiconductor ... | NM93C56EM |  290Kb/8P | Electrically Erasable Programmable Memories |
 National Semiconductor ... | NM93C56EN |  290Kb/8P | Electrically Erasable Programmable Memories |
| NM93C56LEM8 |  181Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface) |
| NM93C56LEMT8 |  181Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface) |
| NM93C56LEN |  181Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface) |
| NM93C56LM8 |  181Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface) |
| NM93C56LMT8 |  181Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface) |
| NM93C56LN |  181Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface) |
| NM93C56LVM8 |  181Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface) |
| NM93C56LVMT8 |  181Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface) |
| NM93C56LVN |  181Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface) |
| NM93C56LZEM8 |  204Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Zero Power and Extended Voltage (2.7V to 5.5V) |
| NM93C56LZEMT8 |  204Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Zero Power and Extended Voltage (2.7V to 5.5V) |
| NM93C56LZEN |  204Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Zero Power and Extended Voltage (2.7V to 5.5V) |
| NM93C56LZM8 |  204Kb/12P | 256-/1024-/2048-/4096-Bit Serial EEPROM with Zero Power and Extended Voltage (2.7V to 5.5V) |