The maximum operating temperature range for the TS27C64A-20CP is -40°C to +125°C.
The power-up and power-down sequences for the TS27C64A-20CP should be handled according to the recommended power-up and power-down sequences in the datasheet, which include ramping up the VCC supply voltage slowly and ensuring that the VPP supply voltage is applied after VCC has reached its minimum operating voltage.
The recommended storage temperature range for the TS27C64A-20CP is -65°C to +150°C.
No, the TS27C64A-20CP is not a radiation-hardened device and is not suitable for use in radiation-hardened applications.
The maximum clock frequency for the TS27C64A-20CP is 20 MHz.