| No. | Nome della parte | Descrizione | Fabbricatore |
| 373921 | DM74S474AJ | 45 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373922 | DM74S474AN | 45 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373923 | DM74S474AV | 45 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373924 | DM74S474BJ | 35 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373925 | DM74S474BN | 35 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373926 | DM74S474BV | 35 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373927 | DM74S474J | 65 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373928 | DM74S474N | 65 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373929 | DM74S474V | 65 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373930 | DM74S475AJ | 45 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373931 | DM74S475AN | 45 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373932 | DM74S475AV | 45 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373933 | DM74S475J | 65 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373934 | DM74S475N | 65 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373935 | DM74S475V | 65 ns, (512 x 8) 4096 bit TTL PROM | National Semiconductor |
| 373936 | DM74S51 | 2-Wide Doppi 2-Input E-o-invertiscono Il Cancello | National Semiconductor |
| 373937 | DM74S51 | 2-Wide Doppi 2-Input E-o-invertiscono Il Cancello | Fairchild Semiconductor |
| 373938 | DM74S51N | 2-Wide Doppi 2-Input E-o-invertiscono Il Cancello | Fairchild Semiconductor |
| 373939 | DM74S51N | 2-Wide Doppi 2-Input E-o-invertiscono Il Cancello | Fairchild Semiconductor |
| 373940 | DM74S51N | 2-Wide Doppi 2-Input E-o-invertiscono Il Cancello | Fairchild Semiconductor |
| 373941 | DM74S570AJ | 45 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373942 | DM74S570AN | 45 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373943 | DM74S570AV | 45 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373944 | DM74S570J | 55 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373945 | DM74S570N | 55 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373946 | DM74S570V | 55 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373947 | DM74S571 | (512 x 4) un PROM dei 2048 bit TTL | National Semiconductor |
| 373948 | DM74S571AJ | 45 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373949 | DM74S571AN | 45 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373950 | DM74S571AV | 45 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373951 | DM74S571BJ | 35 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373952 | DM74S571BN | 35 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373953 | DM74S571BV | 35 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373954 | DM74S571J | 55 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373955 | DM74S571N | 55 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373956 | DM74S571V | 55 ns, (512 x 4) 2048 bit TTL PROM | National Semiconductor |
| 373957 | DM74S572AJ | 45 ns, (1024 x 4) 4096 bit TTL PROM | National Semiconductor |
| 373958 | DM74S572AN | 45 ns, (1024 x 4) 4096 bit TTL PROM | National Semiconductor |
| 373959 | DM74S572AV | 45 ns, (1024 x 4) 4096 bit TTL PROM | National Semiconductor |
| 373960 | DM74S572J | 60 ns, (1024 x 4) 4096 bit TTL PROM | National Semiconductor |
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