- AT27C512R-55JCIC OTP 512KBIT 55NS 32PLCC|ATMEL|Lead All|RoHS Mixed
- AT27C512R-55JIIC OTP 512KBIT 55NS 32PLCC|ATMEL|Lead All|RoHS Mixed
- AT27C512R-55RCIC OTP 512KBIT 55NS 28SOIC|ATMEL|Lead All|RoHS Mixed
- AT27C512R-55RIIC OTP 512KBIT 55NS 28SOIC|ATMEL|Lead All|RoHS Mixed