EM4205/EM4305 Datasheet

512 bit Read/Write Multi-purpose Contactless Identification Device
Datasheet : EM4205-4305_DS.pdf <Confidential>
Features

512 bit EEPROM organized in 16 words of 32 bit
32 bit unique identifier (UID)
32 bit Password read and write protection
ISO 11784 / 11785 Standard Compliant
Lock feature converts EEPROM words into Read Only
Two data encodings: Manchester and Bi-phase
Multi-purpose data rate: 8, 16, 32 and 64 RF clocks
Reader Talk First feature
Compatible with EM4469/EM4569 communication protocol
100 to 150 kHz frequency range
On-chip rectifier and voltage limiter
No external supply buffer capacitor needed
-40°C to +85°C temperature range
Very low power consumption
Enlarged bumped pads (200 μm x 400 μm) for direct connection of coil (EM4305)
EM4205: 2 resonant capacitor versions 210pF or 250pF selectable by mask option. The resonant capacitor can be trimmed, at factory level, to offer accuracy on the tolerance of 3%.
EM4305: 3 resonant capacitor versions 210pF, 250pF or 330pF selectable by mask option

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