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1 KBit Read/Write Contactless Identification Device
EM4450 / EM4550
Datasheet : EM4450 / EM4550.pdf
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 +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
- Available in chip form for mass production and PCB and CID package for samples.