型號               容量               器件定址位元組(8位)       一次裝載位元組數 
AT24C01        128×8        1010A2A1A0 R/W                 8
AT24C02       256×8         1010A2A1A0 R/W                 8 
AT24C04       512×8          1010A2A1P0 R/W               16 
AT24C08       1024×8        1010A2P1P0 R/W              16 
AT24C16      2048×8         1010P2P1P0 R/W              16 
AT24C32      4096*8            1010A2A1A0 R/W               32
AT24C64      8192*8            1010A2A1A0 R/W               32
AT24C128    16384*8           1010A2A1A0 R/W             64
AT24C256  16384*8           1010A2A1A0 R/W             64