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The PCF8582E is a serial EEPROM memory device manufactured by Philips Semiconductors (now NXP Semiconductors). Below are the factual specifications, descriptions, and features:

Manufacturer:

• PHI (Philips Semiconductors, now NXP Semiconductors)

Specifications:

• Memory Size: 2K-bit (256 x 8-bit)
• Interface: I²C-bus (Inter-Integrated Circuit)
• Operating Voltage: 2.5V to 6V
• Write Cycle Time: 5 ms (max)
• Endurance: 1,000,000 write cycles
• Data Retention: 10 years
• Operating Temperature Range: -40°C to +85°C
• Package Options: DIP8, SO8

Descriptions:

• The PCF8582E is a low-power CMOS EEPROM with a 2K-bit memory organized as 256 x 8 bits.
• It supports bidirectional I²C-bus communication, making it suitable for microcontroller-based systems.
• Features a built-in write-protect function and automatic address incrementing.

Features:

• I²C-bus Interface: Supports standard (100 kHz) and fast (400 kHz) modes.
• Low Power Consumption: Ideal for battery-powered applications.
• Page Write Mode: Allows up to 8 bytes to be written in a single operation.
• Hardware Write Protection: Prevents accidental writes via the WP pin.
• On-Chip Address Register: Simplifies sequential read operations.

This information is strictly based on the manufacturer's datasheet. For detailed technical parameters, refer to the official NXP documentation.