SHJ4428 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.

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 write/erase cycles

Data retention for at least 10 years

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℃

Size: ISO standard card L 85.6×W 54×T 0.84(±0.4)mm

Material: PVC/ABS/PET/PETG/PS,etc.

Can do white card or color printing card

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

Printing:Offset Printing,Silkscreen Printing,thermal printing,ink-jet printing

Security features:Laser ablation,Hologram/OVD,UV ink,hidden barcode/barcode mask,Graded Rainbow,Micro-text.

Others: Signature panel,barcode, Serial number,embossing,Encoding,die-cut.