About FM4428 
-256-bit eeprom organization 
-byte-wise addressing 
-irreversible byte-wise write protection of lowest 32 addresses(byte 0...31) 
-32 1-bit organization of protection memory 
-two-wire link protocol 
-end of processing indicated at data output 
-answer-to-reset acc. to ISO standard 7816-3 
-programming time 2.5ms per byte for both erasing and writing 
-endurance: 10000 cycles 
-contact cofiguration and serial interface in accordance with ISO standard 7816 (synchronous transmission) 

 Key features of FM4428 IC Card 
-Dimensions: 86 x 54mm 
-Thickness: 0.76mm-0.84mm 
-Material: PVC, PET 
-Surface: lamination (gloss/matt) 
-Data storage time: minimum 10 years 
-Operating temperature: -20 to +60°C 
-Stockage temperature: -20 to +65°C    

 Printing options 
-Full color offset printing 
-Silk-screen printing 
-Silver/Gold silk-screen printing background 
-Personalization

   
 Options for standart card 
-Magnetic stripe: 300oe, 2750oe, 4000oe 
-Numbering 
-Barcode printing 
-Signature panel 
-Embossing