The AT1X64G22FDX0AA is organized as a 1 by 64 one-time programmable (OTP).This is a kind of non-volatile memory fabricated in GlobalFoundries 22nm FDX CMOS 0.8V/1.8V Process. The OTP can be widely used in chip ID, security key, memory redundancy, parameter trimming, configuration setting, feature selection, and PROM, etc.