EM4169 - EM Microelectronic

EM4169 128-bit Read/Write Contactless Identification

EM4069 (previously named P4069) is a CMOS integrated circuit intended for use in electronic Read/Write RF transponders, with an optional lock function to disable EEPROM write operations. The IC is powered by picking the energy from a continuous 125 kHz magnetic field via an external coil, which together with the integrated capacitor form a resonant circuit. .

Features

128 bit EEPROM organized in 8 words of 16 bits 64 bit fixed code memory array laser programmed OTP feature convert EEPROM words in read only Power on Reset sequence Power-check for EEPROM write operation Data transmission performed by Amplitude Modulation (IC to reader and reader to IC) Data encoding : Manchester or BI-Phase (FDX-B) Transmission reader to chip: typically 65% AM modulation Data rate : 64 or 32 RF field periods per bit (2 kBaud or 4 kBaud at 125 kHz) 78 pF resonant capacitor integrated on chip 100 to 150 kHz frequency range On-chip rectifier and voltage limiter No external suppl.