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| Product Name: |
4428 chip card
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| Supply Ability: |
99999999999999 |
| Related proudcts |
pvc card, smart card, |
| Specifications |
international standard |
| Price Term: |
MSN:fuyao0505@hotmail.com |
| Port of loading: |
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| Minimum Order |
500 |
| Unit Price: |
Discussion |
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About SLE4428 card
一、主要指标： First, the main indicators:
● 1024 字节的EEPROM ● 1024 bytes of EEPROM
● 1024 字节的写保护区（固化数据） ● 1024 bytes of write-protected area (curing data)
● 2 字节的密码，错误计数8 次 ● 2 byte password, 8th error count
●温度段В ?35 ℃ ~80 ℃ ● temperature of the В? 35 ℃ to 80 ℃
●至少100,000 次擦写循环 ● at least 100,000 erase cycle
●至少10 年数据保存期 ● At least 10 data retention
二、SLE4428IC卡存储区分配见下图示： Second, SLE4428IC card memory allocation icon below:
出厂时已固化 The factory has been cured 用户代码 User code
数据区 Data Area
密码错误计数器 Incorrect password counter
用户密码 User Password
注：图中--表示省略 Note: - that omission
三、功能描述： Third, the functional description:
1 、 SLE4428 容量为1Kbytes, 地址空间由0~1023 。 1, SLE4428 capacity of 1 Kbytes, the address ***ce from 0 to 1023.
2 、所有数据除密码外, 在任意情况下均可被读出, 密码在核对正确后可以被读出。 2, all data in addition to passwords, in any circumstances can be read out after the correct password verification can be read out.
3 、所有数据包括密码本身在核对正确密码后可以写入或更改。 3, all data, including passwords themselves in the correct password can check into or varied.
4 、所有数据都可以按字节进行写保护，写保护后数据固化，任何情况下不可更改。 4, all data can be protected by byte write, write protection of data after curing, not change under any circumstances.
5 、有一个密码出错计数器。 5, a password error counter. 地址是1021 。 The address is 1021. 初始值为8, 密码核对出错一次, 便减1 。 The initial value of 8, a wrong password verification, it minus 1. 若计数器值为0, If the counter value is 0,
则整张卡的数据被锁死, 只可读出, 不可写入或更改且无法继续核对密码; 若不为0, 则只需有一次核对 The whole card data to be locked, the only readable, not write or could not continue to check and change your password; not to 0, there is only one check
正确, 计数器将恢复为初始值。 Correct, cou |
| Company: |
Shenzhen Xinyuan smart card technology Co., Ltd.
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| Contact: |
Ms. yang may |
| Address: |
Shenzhen of Baoan District City Shiyan town Tangtou village Hongfa Jiateli Hi-Tech Park |
| Postcode: |
518000 |
| Tel: |
+8613686860869 |
| Fax: |
0755-29191990 |
| E-mail: |
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