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256 Bytes Secured Memory Smart Card
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256 Bytes Secured Memory Smart Card
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256 Bytes Secured Memory Smart Card

FOB Price

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20, 000 Minimum Order

Country:

Malaysia

Model No:

MM23SC4442-M3

FOB Price:

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Place of Origin:

Malaysia

Price for Minimum Order:

-

Minimum Order Quantity:

20, 000

Packaging Detail:

-

Delivery Time:

-

Supplying Ability:

1, 000, 000

Payment Type:

-

Product Group :

-

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Free Member

Contact Person Mr. Hashim

Persiaran APEC, Cyberjaya, Selangor

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Product Specification

Product Description

**6 Bytes Secured Memory Smartcard Description MM*3SC***2 contains **6 x 8 bits of EEPROM main memory and a *2 x 1 bit protection PROM memory. The main memory can be randomly accessed byte by byte. During memory erase, all 8 bits of a byte are set to logical one. During memory write, individual bit(s) are set to logical zeros depend on the data value to be written. Normally, a data change may consists of an erase and then write operation. The write or erase operation takes at least 2.5ms to complete. The first *2 bytes (Address: 0 to *1) in memory are irreversibly protected by the corresponding *2 protect bits in the *2 x 1 bit protection memory. The *2 protect bits are one-time programmable and cannot be erased once they are set to logical zero. MM*3SC***2 also provides a *-bit Error Counter (EC) and three bytes Programmable Security Code (PSC) to prevent unauthorized erase/ write operation to the memory. All the memory, except the PSC can be read after the chip is powered on. But, the memory can be written or erased only after the PSC is entered and verified correct. After three successive unsuccessful verifications of PSC, the Error Counter lock the chip from further attempt, and hence the memory can never be erased or written.

Country: Malaysia
Model No: MM23SC4442-M3
FOB Price: Get Latest Price
Place of Origin: Malaysia
Price for Minimum Order: -
Minimum Order Quantity: 20, 000
Packaging Detail: -
Delivery Time: -
Supplying Ability: 1, 000, 000
Payment Type: -
Product Group : -

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