SHJ4428 IC chip is China developed production of memory card chip. This chip uses 0.6μm CMOS EEPROM process,has 1K×8Bit EEPROM with write protect fuction and programmable security code, its contact configuration is in accordance to ISO standard 7816 (Sychronous Transmission), SHJ4428 can be widely used in different types of IC menory cards.
SHJ4428 contact chip is fully compatible with SLE4428 chip, but the cost is very low, very suitable for common project applications.
Can do white card or color printing card.

Ngā āhuatanga
1024×8bit EEPROM organization
Byte-wise addressing
Irreversible byte-wise write protection
1024×1bit protection memory organization
Serial three wire bus
Minimum of 100,000 times write/erase cycles
Data retention for at least 10 tau
Contact configuration and serial interface in accordance to ISO standard 7816(synchronous Transmission)
Only after entry of the correct 2Byte programmable security code(PSC) data can be changed
Compatible with SLE4428
Operating temperature range: -25℃~+60℃

Typical Application
Member Score Cards, Prepaid cards of internet bar, Medical insurance cards, Electronic door locks, Prepaid Water and Electricity Metering Cards and so on.

Te tā: Wāhanga Tā, Silkscreen Printing, Te tānga werawera, Te tā waituhi, Tānga matihiko.
Nga waahanga haumaru: Tohuwai, Te whakaheke taiaho, Hologram/OVD, Waituhi UV, Waituhi Taurangi Optical, Waeherehere huna/Waehere Paerua huna, Āniwaniwa Tohu, Kuputuhi moroiti.
Ko etahi atu: Te arawhitinga raraunga maramara/Whakamuna, Raraunga Taurangi, Ko te taakahu autō kua whakaritea, Paewhiri Waitohu, Waehere Pae, Tau rangatū, Te whakahiato, waehere DOD, Waehere porowhita NBS, Mate-tapahia.