SHJ4442 is China developed production of memory card chip. This chip uses 0.6µm CMOS EEPROM process, is fully compatible with SLE4442 chip, but the cost is very low, very suitable for common project applications.
256×8bit EEPROM organization Byte-wise addressing Irreversible byte-wise write protection of lowest 32 addresses (Byte 0..31)
32×1bit protection memory organization Two-wire link protocol End of processing indicated at data output Answer-to-Reset acc.to ISO standard 7816-3 Minimum of 100,000 times write/erase cycles Data retention for at least 10 bliadhna Programming time 2.5ms per byte for both erasing and writing Contact configuration and serial interface in accordance to ISO standard 7816(synchronous Transmission) Data can only be changed after enrty of the correct 3-byte programmable security code(PSC) (security memory) Compatible with SLE4442 chips Operating temperature range: -20℃ ~ + 60 ℃
Chip card parameters:
Meud: Cairt àbhaisteach ISO L 85.6 × W 54 × T. 0.84(± 0.4)mm
Stuth: PVC/ABS/PET/PETG/PS,msaa. Can do white card or color printing card
SHJ4442 is China developed production of memory card chip. This chip uses 0.6µm CMOS EEPROM process, has 256×8 Bits EEPROM with write protect fuction and programmable security code. With its contact configuration in accordance to ISO standard 7816 (sychronous transmission), SHJ4442 can be widely used in different types of IC menory cards. SHJ4442 contact chip is fully compatible with SLE4442 chip, but the cost is very low, very suitable for common project applications.
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.
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