4 mbit (512Kb x8 or 256Kb x16), Low Voltage UV EPROm and OTP EPROm 512K X 8 UVPROm, 100 ns, CDIP40 4 mbit 512Kb x8 or 256Kb x16 Low Voltage UV EPROm and OTP EPROm 4兆位512KB的x856Kb的x16低压紫外线可擦写可编程只读存储器和OTP存储 256 kbit 32Kb x 8 Low Voltage UV EPROm and OTP EPROm