| 924241 | M27C256B-10F3 | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924242 | M27C256B-10F3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924243 | M27C256B-10F3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924244 | M27C256B-10F6 | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924245 | M27C256B-10F6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924246 | M27C256B-10F6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924247 | M27C256B-10F7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924248 | M27C256B-10F7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924249 | M27C256B-10N1 | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924250 | M27C256B-10N1TR | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924251 | M27C256B-10N1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924252 | M27C256B-10N1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924253 | M27C256B-10N3 | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924254 | M27C256B-10N3TR | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924255 | M27C256B-10N3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924256 | M27C256B-10N3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924257 | M27C256B-10N6 | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924258 | M27C256B-10N6TR | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924259 | M27C256B-10N6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
|
| 924260 | M27C256B-10N6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924261 | M27C256B-10N7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924262 | M27C256B-10N7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924263 | M27C256B-10XB1 | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924264 | M27C256B-10XB1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924265 | M27C256B-10XB1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924266 | M27C256B-10XB3 | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924267 | M27C256B-10XB3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924268 | M27C256B-10XB3X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924269 | M27C256B-10XB6 | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924270 | M27C256B-10XB6TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924271 | M27C256B-10XB6X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924272 | M27C256B-10XB7TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924273 | M27C256B-10XB7X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924274 | M27C256B-10XC1 | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924275 | M27C256B-10XC1TR | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924276 | M27C256B-10XC1TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924277 | M27C256B-10XC1X | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
| 924278 | M27C256B-10XC3 | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924279 | M27C256B-10XC3TR | 256 Kbit (32Kb x 8) EPROM, 5V, 100ns | SGS Thomson Microelectronics |
| 924280 | M27C256B-10XC3TR | 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM | ST Microelectronics |
