The EM4450 key card is a CMOS integrated circuit intented for use in electronic Read/Write RF Transponders. The chip contains 1 KBit of EEPROM which can be configured by the user, allowing a write inhibited area, a read protected area, and a read area output continuously at power on.
1.Chips: EM4450
2.Dimension: CR80 or as customer's requirement
3. Frequency: 125KHz
4.Standard ISO11785
5.Material: PVC
6.Data saved time: 10 years
7.Options: Signature panel, LOCO/HICO Magnetic Stripe, embossing letter and number, barcode, sequential numbering, Gold/Silver card, frosted card.
8.Application: EM4450 Key Card is widely used in Parking lot system and hotel door locks, for its long inductive distance(70-80cm), ISO Thin EM Card is widely used in Access Control System, Time and attendance, parking lot and consuming system.
-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)
-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
Applications:
Ticketing
Automotive Immobilizer with rolling code
High Security Hands Free Access Control
Industrial automation with portable database
Manufacturing automation
Prepayment Devices
Aug 2017
