EM4450 EM4550 SMART CARD

Feature
* 1 KBit of EEPROM organized in 32 words of 32 bits
* 32 bit Device Serial Number (Read Only Laser ROM)
* 32 bit Device Identification (Read Only Laser ROM) 
* Power-On-Reset sequence Power Check for EEPROM write operation 
* User defined Read Memory Area at Power On 
* User defined Write Inhibited Memory Area 
* User defined Read Protected Memory Area
* Data Transmission performed by Amplitude Modulation 
* Two Data Rate Options 2 KBd or 4 KBd (Opt32) Bit Period or 32 periods of field frequency 2% on chip 
* Resonant Capacitor to +85°C Temperature range to 150 kHz Field Frequency range On chip
* Rectifier and Voltage Limiter No external supply buffer capacitance needed due to low power consumption 
* Available in chip form for mass production and PCB and CID package for samples. 

Application
Ticketing Automotive Immobilizer with rolling code 
High Security Hands Free Access Control 
Industrial automation with portable database Manufacturing automation 
Prepayment Devices