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The X2404P is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by XICOR (now part of Intersil/Renesas). Below are its key specifications, descriptions, and features:

Specifications:

• Memory Size: 4 Kbit (512 x 8 bits)
• Interface: I²C (2-wire serial interface)
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1,000,000 cycles
• Data Retention: 100 years
• Page Write Buffer: 16 bytes
• Clock Frequency: Up to 400 kHz (I²C Fast Mode)
• Package Options: 8-pin DIP, SOIC, TSSOP

Descriptions:

• The X2404P is a low-power, byte-addressable EEPROM with built-in software write protection.
• It supports sequential and random read operations.
• Features a hardware write-protect pin for additional data security.

Features:

• I²C-Compatible Interface: Supports standard and fast-mode I²C protocols.
• Low Power Consumption: Active current (3 mA max), standby current (10 µA max).
• Built-in Write Protection: Software-controlled write enable/disable.
• Self-Timed Write Cycle: Includes automatic erase before write.
• High Reliability: Endurance and retention suitable for industrial applications.

For detailed electrical characteristics and timing diagrams, refer to the official XICOR (Intersil/Renesas) datasheet.