The AT24C04M/TR is a 4Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) from HGSEMI. It is organized as 512 words of 8 bits each. The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential.

Applications

• Consumer electronics
• Industrial control systems
• Medical devices
• Automotive electronics
• Smart cards

Features

• Low-voltage and Standard-Voltage Operation: 2.7 (VCC = 2.7V to 5.5V)
• Internally Organized: 512 x 8 (4K)
• Two-wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• Write Protect Pin for Hardware Data Protection
• 400 kHz (2.7V) Compatibility
• Write Cycle Time: 5 ms Max
• Low Power Standby Current: 1 μA Max
• 8-lead PDIP, 8-lead SOIC, 8-lead TSSOP, and 8-ball dBGA Packages
• Temperature Ranges:
  • Industrial (–40°C to +85°C)
• High Reliability:
  • Endurance: 1 Million Write Cycles
  • Data Retention: 100 Years

Benefits

• Low power consumption extends battery life in portable devices.
• High endurance ensures long-term reliability in demanding applications.
• Write protection feature prevents accidental data corruption.
• Compact packaging options allow for flexible integration into various designs.
• Wide operating voltage range simplifies system design.

Additional Details

The AT24C04M/TR uses a two-wire serial interface for communication, allowing for easy integration with microcontrollers. The device features a write protect pin that can be used to prevent accidental data corruption during operation. The EEPROM also has a Schmitt trigger input that improves noise immunity. It operates within an industrial temperature range of -40°C to +85°C.