Domestic 4428 contact IC card manufacturer

型号：

接触式IC卡

尺寸：

85.5*54*0.84(可定制)

材料：

PVC,PET,PETG，

1. Main indicators
●Byte
●Byte write protection zone (solidified data)
●Byte password error count
●Temperature range: -℃~ ℃
●At least erasing and writing cycles
●At least one year data retention period
2. Function description
The capacity is the address space by ~.
All data except the password can be read out under any circumstances. The password can be read out after it is verified to be correct.
All data including the password itself can be written or changed after checking the correct password.
All data can be write-protected by byte. After write-protection, the data is solidified and cannot be changed under any circumstances.
, there is a password error counter. address is. The initial value is decremented after one error in password verification. If the counter value is
, then the entire card data is locked and can only be read, cannot be written or changed, and cannot continue to check the password. If not, only one verification is required
and the correct counter will be restored to the initial value. value.
, the password length is the address,. There is a combination of reading these two addresses before the password is verified correctly. The result is that it cannot be written or changed. After the password is verified correctly, the password can be read or changed. The password will remain valid until the card is powered off
until.
, unique code. The address ~ is the user code of the card. This code is the only user code in the world to ensure the user's
interests to the greatest extent. This code cannot be changed after it is solidified and written.
, address ~ ~ has been solidified by the manufacturer before leaving the factory and cannot be changed.
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