技术特性

• I²C interface
  • Two-wire I²C serial interface supports 400 kHz protocol
  • Single supply voltage:
    • 1.8 V to 5.5 V
  • Byte and Page Write (up to 4 bytes)
  • Random and Sequential read modes
  • Self-timed programming cycle
  • Automatic address incrementing
  • Enhanced ESD/latch-up protection
  • I²C timeout
• Contactless interface
  • ISO 15693 and ISO 18000-3 mode 1 compatible
  • 13.56 MHz ±7k Hz carrier frequency
  • To tag: 10% or 100% ASK modulation using 1/4 (26 Kbit/s) or 1/256 (1.6 Kbit/s) pulse position coding
  • From tag: load modulation using Manchester coding with 423 kHz and 484 kHz subcarriers in low (6.6 kbit/s) or high (26 kbit/s) data rate mode. Supports the 53 kbit/s data rate with Fast commands
  • Internal tuning capacitance: 27.5pF
  • 64-bit unique identifier (UID)
  • Read Block & Write (32-bit blocks)
• Digital output pin
  • User configurable pin: RF write in progress or RF busy mode
• Energy harvesting
  • Analog pin for energy harvesting
  • 4 sink current configurable ranges
• Memory
  • 16-Kbit EEPROM organized into:
    • 2048 bytes in I²C mode
    • 512 blocks of 32 bits in RF mode
  • Write time
    • I²C: 5 ms (max.)
    • RF: 5.75 ms including the internal Verify time
  • More than 1 million write cycles
  • More than 40-year data retention
  • Multiple password protection in RF mode
  • Single password protection in I²C mode
  • Package
    • ECOPACK2®(RoHS compliant and Halogen-free)

功能框图