| Nr. | Nom de partie | Description | Fabricant |
| 677681 | M27C256B-10XF6 | 256 Ko (32 Ko x 8) EPROM, 5V, 100 ns | SGS Thomson Microelectronics |
| 677682 | M27C256B-10XF6TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677683 | M27C256B-10XF6X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677684 | M27C256B-10XF7TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677685 | M27C256B-10XF7X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677686 | M27C256B-10XN1 | 256 Ko (32 Ko x 8) EPROM, 5V, 100 ns | SGS Thomson Microelectronics |
| 677687 | M27C256B-10XN1TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677688 | M27C256B-10XN1TR | 256 Ko (32 Ko x 8) EPROM, 5V, 100 ns | SGS Thomson Microelectronics |
| 677689 | M27C256B-10XN1X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677690 | M27C256B-10XN3 | 256 Ko (32 Ko x 8) EPROM, 5V, 100 ns | SGS Thomson Microelectronics |
| 677691 | M27C256B-10XN3TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677692 | M27C256B-10XN3TR | 256 Ko (32 Ko x 8) EPROM, 5V, 100 ns | SGS Thomson Microelectronics |
| 677693 | M27C256B-10XN3X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677694 | M27C256B-10XN6 | 256 Ko (32 Ko x 8) EPROM, 5V, 100 ns | SGS Thomson Microelectronics |
| 677695 | M27C256B-10XN6TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677696 | M27C256B-10XN6TR | 256 Ko (32 Ko x 8) EPROM, 5V, 100 ns | SGS Thomson Microelectronics |
| 677697 | M27C256B-10XN6X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677698 | M27C256B-10XN7TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677699 | M27C256B-10XN7X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677700 | M27C256B-12B1 | 256 KBIT (32KB X8) EPROM ET OTP UV EPROM | ST Microelectronics |
| 677701 | M27C256B-12B1 | 256 Ko (32 Ko x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 677702 | M27C256B-12B1TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677703 | M27C256B-12B1X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677704 | M27C256B-12B3 | 256 Ko (32 Ko x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 677705 | M27C256B-12B3TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677706 | M27C256B-12B3X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677707 | M27C256B-12B6 | 256 Ko (32 Ko x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 677708 | M27C256B-12B6TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677709 | M27C256B-12B6X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677710 | M27C256B-12B7TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677711 | M27C256B-12B7X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677712 | M27C256B-12C1 | 256 KBIT (32KB X8) EPROM ET OTP UV EPROM | ST Microelectronics |
| 677713 | M27C256B-12C1 | 256 Ko (32 Ko x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 677714 | M27C256B-12C1TR | 256 KBIT (32KB X8) EPROM ET OTP UV EPROM | ST Microelectronics |
| 677715 | M27C256B-12C1TR | 256 Ko (32 Ko x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 677716 | M27C256B-12C1X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677717 | M27C256B-12C3 | 256 Ko (32 Ko x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 677718 | M27C256B-12C3TR | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
| 677719 | M27C256B-12C3TR | 256 Ko (32 Ko x 8) EPROM, 5V, 120ns | SGS Thomson Microelectronics |
| 677720 | M27C256B-12C3X | 256 Kbit (32Kb X 8) EPROM UV et OTP EPROM | ST Microelectronics |
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