em-card-t5557
EM Card T5557
November 12, 2016
em-card-4450
EM Card 4450
November 12, 2016
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em-card-4550

EM Card 4550


Specification


Material : ABS
Reading distance : 80mm
Operating temperature : -40 -70°C
Storage temperature : -40- 80°C
Dimension : 43.7×30.5×5.3mm
Frequency : 125KHz
Memory : 64bit Read only memory (10HEX serial number)

 

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 / 2% on chip Resonant Capacitor
– 40 to +85oC 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

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