| Nr. | Nome da parte | Descrição | Fabricante |
| 678121 | M27C256B-45C1 | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678122 | M27C256B-45C1TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678123 | M27C256B-45C1TR | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678124 | M27C256B-45C1X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678125 | M27C256B-45C3 | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678126 | M27C256B-45C3TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678127 | M27C256B-45C3TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678128 | M27C256B-45C3TR | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678129 | M27C256B-45C3X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678130 | M27C256B-45C6 | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678131 | M27C256B-45C6TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678132 | M27C256B-45C6TR | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678133 | M27C256B-45C6X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678134 | M27C256B-45C7TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678135 | M27C256B-45C7X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678136 | M27C256B-45F1 | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678137 | M27C256B-45F1TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678138 | M27C256B-45F1X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678139 | M27C256B-45F3 | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678140 | M27C256B-45F3TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678141 | M27C256B-45F3X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678142 | M27C256B-45F6 | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678143 | M27C256B-45F6TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678144 | M27C256B-45F6X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678145 | M27C256B-45F7TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678146 | M27C256B-45F7X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678147 | M27C256B-45N1 | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678148 | M27C256B-45N1TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678149 | M27C256B-45N1TR | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678150 | M27C256B-45N1X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678151 | M27C256B-45N3 | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678152 | M27C256B-45N3TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678153 | M27C256B-45N3TR | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678154 | M27C256B-45N3X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678155 | M27C256B-45N6 | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678156 | M27C256B-45N6TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678157 | M27C256B-45N6TR | 256 KBytes (32Kb x 8) EPROM, 5V, 45ns | SGS Thomson Microelectronics |
| 678158 | M27C256B-45N6X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678159 | M27C256B-45N7TR | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
| 678160 | M27C256B-45N7X | 256 Kbit (32Kb x 8) EPROM UV e OTP EPROM | ST Microelectronics |
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