EM4450/EM4550 Cards, Keyfobs and Tags

EM4450/EM4550 is ideal for Ticketing, Automotive Immobilizer with rolling code, High Security Hands Free Access Control, Industrial automation with portable database, Manufacturing automation, and Prepayment Devices

EM4450/EM4550 Datasheet

Features:

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 (Opt64) or 4 KBd (Opt32)
Bit Period = 64 or 32 periods of field frequency
170 pF ą 2% on chip Resonant Capacitor
-40 to +85°C Temperature range
100 to 150 kHz Field Frequency range
On chip Rectifier and Voltage Limiter
No external supply buffer capacitance needed due to low power consumption

Products are:

Blank Cards
Pre-printerd Cards
Clamshell Cards
Keyfobs
Dots and Tags
Labels

Custom products are avaialble on client's requirement.