| 921921 | M27256-4F1 | NMOS 64K 8K x 8 UV EPROM | ST Microelectronics |
| 921922 | M27256-4F6 | NMOS 256K (32K x 8) UV EPROM, 400ns | SGS Thomson Microelectronics |
| 921923 | M27256-4F6 | NMOS 64K 8K x 8 UV EPROM | ST Microelectronics |
| 921924 | M27256-F1 | NMOS 256K (32K x 8) UV EPROM, 250ns | SGS Thomson Microelectronics |
| 921925 | M27256-F6 | NMOS 256K (32K x 8) UV EPROM, 250ns | SGS Thomson Microelectronics |
| 921926 | M27256F1 | NMOS 64K 8K x 8 UV EPROM | ST Microelectronics |
| 921927 | M27256F6 | NMOS 64K 8K x 8 UV EPROM | ST Microelectronics |
| 921928 | M27256L-20 | 256K (32 x 8) UV erasable PROM, 200ns | Intel |
| 921929 | M27256L-25 | 256K (32 x 8) UV erasable PROM, 250ns | Intel |
| 921930 | M27256L-35 | 256K (32 x 8) UV erasable PROM, 350ns | Intel |
| 921931 | M2732A | NMOS 32K (4K x 8) UV EPROM | SGS Thomson Microelectronics |
| 921932 | M2732A | NND - NMOS 32 KBIT (4KB X8) UV EPROM | ST Microelectronics |
| 921933 | M2732A-20F1 | NMOS 32K (4K x 8) UV EPROM, 200ns | SGS Thomson Microelectronics |
| 921934 | M2732A-20F6 | NMOS 32K (4K x 8) UV EPROM, 200ns | SGS Thomson Microelectronics |
| 921935 | M2732A-25F1 | NMOS 32K (4K x 8) UV EPROM, 250ns | SGS Thomson Microelectronics |
| 921936 | M2732A-25F6 | NMOS 32K (4K x 8) UV EPROM, 250ns | SGS Thomson Microelectronics |
| 921937 | M2732A-2F1 | NMOS 32K (4K x 8) UV EPROM, 200ns | SGS Thomson Microelectronics |
| 921938 | M2732A-2F6 | NMOS 32K (4K x 8) UV EPROM, 200ns | SGS Thomson Microelectronics |
| 921939 | M2732A-3F1 | NMOS 32K (4K x 8) UV EPROM, 300ns | SGS Thomson Microelectronics |
|
| 921940 | M2732A-3F6 | NMOS 32K (4K x 8) UV EPROM, 300ns | SGS Thomson Microelectronics |
| 921941 | M2732A-4F1 | NMOS 32K (4K x 8) UV EPROM, 450ns | SGS Thomson Microelectronics |
| 921942 | M2732A-4F6 | NMOS 32K (4K x 8) UV EPROM, 450ns | SGS Thomson Microelectronics |
| 921943 | M2732A-F1 | NMOS 32K (4K x 8) UV EPROM, 250ns | SGS Thomson Microelectronics |
| 921944 | M2732A-F6 | NMOS 32K (4K x 8) UV EPROM, 250ns | SGS Thomson Microelectronics |
| 921945 | M27512 | NND - NMOS 512 KBIT (64KB X8) UV EPROM | SGS Thomson Microelectronics |
| 921946 | M27512 | NMOS 512K (64K x 8) UV EPROM | SGS Thomson Microelectronics |
| 921947 | M27512 | NND - NMOS 512 KBIT (64KB X8) UV EPROM | ST Microelectronics |
| 921948 | M27512-20F1 | NMOS 512 Kbit (64Kb x 8) UV EPROM, 200ns | SGS Thomson Microelectronics |
| 921949 | M27512-20F1 | NMOS 512K 64K x 8 UV EPROM | ST Microelectronics |
| 921950 | M27512-20F6 | NMOS 512 Kbit (64Kb x 8) UV EPROM, 200ns | SGS Thomson Microelectronics |
| 921951 | M27512-25F1 | NMOS 512 Kbit (64Kb x 8) UV EPROM, 250ns | SGS Thomson Microelectronics |
| 921952 | M27512-25F6 | NMOS 512 Kbit (64Kb x 8) UV EPROM, 250ns | SGS Thomson Microelectronics |
| 921953 | M27512-2F1 | NMOS 512 Kbit (64Kb x 8) UV EPROM, 200ns | SGS Thomson Microelectronics |
| 921954 | M27512-2F1 | NMOS 512K 64K x 8 UV EPROM | ST Microelectronics |
| 921955 | M27512-2F6 | NMOS 512 Kbit (64Kb x 8) UV EPROM, 200ns | SGS Thomson Microelectronics |
| 921956 | M27512-3F1 | NMOS 512 Kbit (64Kb x 8) UV EPROM, 300ns | SGS Thomson Microelectronics |
| 921957 | M27512-3F1 | NMOS 512K 64K x 8 UV EPROM | ST Microelectronics |
| 921958 | M27512-3F6 | NMOS 512 Kbit (64Kb x 8) UV EPROM, 300ns | SGS Thomson Microelectronics |
| 921959 | M27512-F1 | NMOS 512 Kbit (64Kb x 8) UV EPROM, 250ns | SGS Thomson Microelectronics |
| 921960 | M27512-F6 | NMOS 512 Kbit (64Kb x 8) UV EPROM, 250ns | SGS Thomson Microelectronics |
