The CAT24FC32 is a 32 Kbit, Fast Mode I2C serial EEPROM that operates at 1 MHz. Both 32-byte page and byte write modes are supported. With zero standby current, the CAT24FC32 is ideal for low voltage and battery powered systems that require high-speed operation. The CAT93HC46 is a 1 Kbit, high-speed Microwire serial EEPROM that operates at 3 MHz. The user can select a × 8 or × 16 memory organization.