The maximum clock frequency for the S87C552-4A68 is 33 MHz.
The S87C552-4A68 has 16 KB of flash memory.
No, the S87C552-4A68 is designed to operate at 3.3V or 3.6V, and it's not recommended to use it in a 5V system.
The power consumption of the S87C552-4A68 depends on the operating frequency and voltage. At 33 MHz and 3.3V, the typical power consumption is around 15 mA.
No, the S87C552-4A68 does not have built-in EEPROM. However, it has a 256-byte data EEPROM that can be used for storing non-volatile data.