| 278801 | AT27C4096-70PC | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278802 | AT27C4096-70PI | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278803 | AT27C4096-70VC | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278804 | AT27C4096-70VI | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278805 | AT27C4096-90 | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278806 | AT27C4096-90JC | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278807 | AT27C4096-90JI | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278808 | AT27C4096-90PC | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278809 | AT27C4096-90PI | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278810 | AT27C4096-90VC | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278811 | AT27C4096-90VI | 4-Megabit 256K x 16 OTP EPROM | Atmel |
| 278812 | AT27C512R | 512K EPROM | Atmel |
| 278813 | AT27C512R-12 | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278814 | AT27C512R-12JC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278815 | AT27C512R-12JI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278816 | AT27C512R-12PC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278817 | AT27C512R-12PI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278818 | AT27C512R-12RC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278819 | AT27C512R-12RI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
|
| 278820 | AT27C512R-12TC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278821 | AT27C512R-12TI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278822 | AT27C512R-15 | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278823 | AT27C512R-15JC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278824 | AT27C512R-15JI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278825 | AT27C512R-15PC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278826 | AT27C512R-15PI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278827 | AT27C512R-15RC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278828 | AT27C512R-15RI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278829 | AT27C512R-15TC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278830 | AT27C512R-15TI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278831 | AT27C512R-45 | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278832 | AT27C512R-45JC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278833 | AT27C512R-45JI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278834 | AT27C512R-45PC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278835 | AT27C512R-45PI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278836 | AT27C512R-45RC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278837 | AT27C512R-45RI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278838 | AT27C512R-45TC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278839 | AT27C512R-45TI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 278840 | AT27C512R-55 | 512K 64K x 8 OTP CMOS EPROM | Atmel |
