| 926721 | M27C512-20XB1 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 926722 | M27C512-20XB1TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926723 | M27C512-20XB1X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926724 | M27C512-20XB3 | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926725 | M27C512-20XB3 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 926726 | M27C512-20XB3TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926727 | M27C512-20XB3X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926728 | M27C512-20XB6 | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926729 | M27C512-20XB6 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 926730 | M27C512-20XB6TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926731 | M27C512-20XB6X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926732 | M27C512-20XC1 | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926733 | M27C512-20XC1 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 926734 | M27C512-20XC1TR | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926735 | M27C512-20XC1TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926736 | M27C512-20XC1X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926737 | M27C512-20XC3 | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926738 | M27C512-20XC3 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 926739 | M27C512-20XC3TR | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
|
| 926740 | M27C512-20XC3TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926741 | M27C512-20XC3X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926742 | M27C512-20XC6 | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926743 | M27C512-20XC6 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 926744 | M27C512-20XC6TR | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926745 | M27C512-20XC6TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926746 | M27C512-20XC6X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926747 | M27C512-20XF1 | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926748 | M27C512-20XF1 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 926749 | M27C512-20XF1TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926750 | M27C512-20XF1X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926751 | M27C512-20XF3 | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926752 | M27C512-20XF3 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 926753 | M27C512-20XF3TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926754 | M27C512-20XF3X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926755 | M27C512-20XF6 | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926756 | M27C512-20XF6 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
| 926757 | M27C512-20XF6TR | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926758 | M27C512-20XF6X | 512 Kbit 64Kb x8 UV EPROM and OTP EPROM | ST Microelectronics |
| 926759 | M27C512-20XN1 | 512 Kbit (64Kb x 8) EPROM, 5V, 200ns | SGS Thomson Microelectronics |
| 926760 | M27C512-20XN1 | 512 Kbit (64K x8) UV EPROM and OTP EPROM | ST Microelectronics |
