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The X2402P is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by XICOR (now part of Intersil). Below are the factual specifications, descriptions, and features of the X2402P:

Specifications:

• Memory Size: 2 Kbit (256 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 per byte
• Data Retention: 100 years
• Page Write Buffer: 16 bytes
• Write Protect Feature: Hardware and software write protection
• Package Options: 8-pin PDIP, SOIC, and TSSOP

Descriptions:

• The X2402P is a low-power, byte-addressable EEPROM that supports bidirectional data transfer via the I²C protocol.
• It includes a built-in write protection mechanism to prevent accidental data corruption.
• The device supports sequential and random read operations for efficient data access.

Features:

• Low Power Consumption:
• Active Read Current: 1 mA (max)
• Standby Current: 5 µA (max)
• Schmitt Trigger Inputs: Noise suppression for reliable operation.
• Self-Timed Write Cycle: Automatic erase and program cycles (5 ms max).
• Acknowledge Polling: Software monitoring of write completion.
• Partial Page Writes: Allows writing up to 16 bytes per operation.

This information is based on the manufacturer's datasheet and technical documentation.