کارت هوشمند 256 بایتی استاندارد 4442

  • دسته‌بندی : RFID
کارت هوشمند 256 بایتی استاندارد 4442
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The main Features:
256 bytes of EEPROM organized 
32 -bit protected mode memory composed of 
3 -byte user password, the password error count: 3 times 
Temperature range: 0 deg.] C --70 deg.] C of 
at least 10 million Write 
at least 10 years data retention 
Minimum write / wipe time: 2.5ms 
Operating voltage: 5V 
Maximum supply current: 10mA 

Security Features: 
1 , a write protected region ( before 32 bytes ) of each byte can be individually write protected, after write protection, the content can not be changed ( i.e., curing data ) 
2 , the password is checked right before all the data can be read, if necessary, may suitably feed data encryption. 
3 , check the correct password can be written or modified. 
4 , three-byte user password, check the correct itself Flexible, electrically active until the next card. 
5 , the password error counter, the initial value 3 , check the error code 1 times, then minus 1 , if the counter value is 0 , the card is automatically locked, the data just read out, no longer can no longer change password verification; if the time is zero, one time password verification is correct, restore to the initial value. 
6 , byte address0-5 , 6-7 factory has been written by the manufacturers, can not be changed.

 

بخشها :
شناسه کالا: 380306
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