M87C257 시리즈
| 제조업체 부품# | 설명 | 제조업체 | 재고 | 운영 |
| M87C257-12F1 | IC EPROM 256KBIT PARALLEL 28CDIP | STMicroelectronics | 7307 |
|
| M87C257-15C1 | IC EPROM 256KBIT PARALLEL 32PLCC | STMicroelectronics | 9760 |
|
| M87C257-15C6 | IC EPROM 256KBIT PARALLEL 32PLCC | STMicroelectronics | 8298 |
|
| M87C257-15F6 | IC EPROM 256KBIT PARALLEL 28CDIP | STMicroelectronics | 3640 |
|
| M87C257-90C1 | IC EPROM 256KBIT PARALLEL 32PLCC | STMicroelectronics | 5679 |
|
| M87C257-90C1TR | IC EPROM 256KBIT PARALLEL 32PLCC | STMicroelectronics | 7531 |
|