SHC2242 2k Bits EEPROM Contact Encryption Chip

The SHC2242 2k bits EEPROM contact encryption chip is commonly used as ID card chips as well as the chip for health cards, membership cards, staff cards, e-shopping cards and more. As the name implies, the encryption chip has a 256-byte EEPROM, and 32 bytes of the EEPROM are endowed with write protection. Moreover, the IC card chip adopts programmable security code function (PSC) as well as two-wire communication protocol, while the contacts and serial interfaces are in accordance with ISO7816 standard.

Features of Contact Encryption Chip
1. 2k-bit EEPROM
2. Byte-wise addressing
3. Irreversible byte-wise write protection for 32 bytes (Byte 0-31)
4. 32×1-bit protected memory
5. The contact chip supports two-wire communication protocol
6. End of processing: Indicated at data output
7. Answer to reset: Conforming to ISO 7816-3
8. Contacts and serial interfaces of the encryption chip conform to ISO 7816 (synchronous transmission)
9. Operating voltage: 3.0V-5.0V
10. Erase/write endurance: Over 100 thousand times
11. Data retention time: Over 10 years
12. Erase/write time: 2.5ms per byte for each operation
13. Data change: Need entering the correct 3-byte programmable security code (PSC)

Diagram

Related Names
Safety Card Chip | Consumer Card Chip | EEPROM Memory Chip