DS28CZ04

4Kb I²C/SMBus EEPROM with Nonvolatile PIO

Multifunction, Integrated Features Reduce Component Count, Save Board Space, and Lower Overall System Cost

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Part Details

  • 4Kb (512 x 8) EEPROM Organized in Two 256-Byte Blocks
  • Single Byte and up to 16-Byte EEPROM Write Sequences
  • Write-Protect Control Pin for the Entire EEPROM Array
  • Endurance 200k Cycles per Block at 25°C; 10ms max EEPROM Write Cycle
  • 4 PIO Lines
  • Each PIO is Configured to Input or Output Mode on Startup by Stored Value
  • All PIOs are Reconfigurable after Startup
  • Serial Interface User-Programmable for I²C Bus and SMBus Compatibility
  • Supports 100kHz and 400kHz I²C Communication Speeds
  • Operating Range: 2.0V to 5.25V, -40°C to +85°C
  • 4mm x 4mm 12-Pin TQFN Package
DS28CZ04
4Kb I²C/SMBus EEPROM with Nonvolatile PIO
DS28CZ04: Typical Operating Circuit
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Hardware Ecosystem

Parts Product Life Cycle Description
Product 1
MAX3982 NOT RECOMMENDED FOR NEW DESIGNS SFP Copper-Cable Preemphasis Driver
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