| 250281 | AT27C512R-90JI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 250282 | AT27C512R-90PC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 250283 | AT27C512R-90PI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 250284 | AT27C512R-90RC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 250285 | AT27C512R-90RI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 250286 | AT27C512R-90TC | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 250287 | AT27C512R-90TI | 512K 64K x 8 OTP CMOS EPROM | Atmel |
| 250288 | AT27C516 | 512K, x16 EPROM | Atmel |
| 250289 | AT27C516-10 | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250290 | AT27C516-10JC | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250291 | AT27C516-10JI | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250292 | AT27C516-10VC | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250293 | AT27C516-10VI | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250294 | AT27C516-45 | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250295 | AT27C516-45JC | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250296 | AT27C516-45JI | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250297 | AT27C516-45VC | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250298 | AT27C516-45VI | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250299 | AT27C516-55 | 512K 32K x 16 OTP CMOS EPROM | Atmel |
|
| 250300 | AT27C516-55JC | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250301 | AT27C516-55JI | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250302 | AT27C516-55VC | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250303 | AT27C516-55VI | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250304 | AT27C516-70 | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250305 | AT27C516-70JC | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250306 | AT27C516-70JI | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250307 | AT27C516-70VC | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250308 | AT27C516-70VI | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250309 | AT27C516-85 | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250310 | AT27C516-85JC | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250311 | AT27C516-85JI | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250312 | AT27C516-85VC | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250313 | AT27C516-85VI | 512K 32K x 16 OTP CMOS EPROM | Atmel |
| 250314 | AT27C520 | 512K 64K x 8 Multiplexed Addresses/ Outputs OTP EPROM | Atmel |
| 250315 | AT27C520-70 | 512K 64K x 8 Multiplexed Addresses/ Outputs OTP EPROM | Atmel |
| 250316 | AT27C520-70SC | 512K 64K x 8 Multiplexed Addresses/ Outputs OTP EPROM | Atmel |
| 250317 | AT27C520-70SI | 512K 64K x 8 Multiplexed Addresses/ Outputs OTP EPROM | Atmel |
| 250318 | AT27C520-70TC | 512K 64K x 8 Multiplexed Addresses/ Outputs OTP EPROM | Atmel |
| 250319 | AT27C520-70TI | 512K 64K x 8 Multiplexed Addresses/ Outputs OTP EPROM | Atmel |
| 250320 | AT27C520-70XC | 512K 64K x 8 Multiplexed Addresses/ Outputs OTP EPROM | Atmel |
