MT28F400B5WG-8BET absolute maximum ratings: (1) Voltage on VCC Supply Relative to VSS: -0.5V to +6V (2) Input Voltage Relative to VSSP: -0.5V to +6 (3) VPP Voltage Relative to VSS: -0.5V to +5.5V (4) RP# or A9 Pin Voltage Relative to Vss: -0.5V to +12.6V (5) Temperature Under Bias: -40 to +85℃ (6) Storage Temperature (plastic): -55 to +125℃ (7) Power Dissipation: 1W.