1-Support Milenage and XOR algorithm, Matching the standards of GSM11.11,GSM11.12,GSM11.14,GSM11.17.
2- Matching the standard of ISO7816.
3- Modularization design that is convenient to realize new functions .
4- Optimized file management system, which supports file access path selection.
5- STK data encrypt and checkout match the GSM03.48 standard
6- Supporting the norm of the China Mobile OTA2,the little assistant of no agony, Mass Storage Telephone Book,Group Sending Short Message etc.
7- Supporting inner backup mechanism to insure the data Integrality.
8- supporting T=0 transmission protocol,Communication velocity supports 372/1 and 512/8.
9- Having the function that against inserting and pulling out of card when power on,and abnormal power off.
10- Supporting the algorithm of DES ,3DES ,COMP128-1 and have protection against attacking mechanism.
11- Supporting the function of the circuitry encrypt and circuitry secrecy,preventing communication data against being stolen or juggled unlawful .And it can be used to check out the data integrality.
12- Agile individuation instructions not only insure the require of safety management but also can satisfy all kinds of Customer’s requires of pluralistic STK functions.
13- Perfect safety function and safety strategy,passed EAL4+safe authentication.
 ISO/IEC 7816-3 (1997): "Identification cards - Integrated circuit(s) cards with contacts, Part 3: Electronic signals and transmission protocols".
 GSM 11.14:Digital cellular telecommunications system (Phase 2+); Specification of the SIM Application Toolkit for the Subscriber Identity Module - Mobile Equipment(SIM - ME) interface
 GSM 11.11:Digital cellular telecommunications system (Phase 2+); Specification of the Subscriber Identity Module - Mobile Equipment (SIM - ME) interface(V8.3.0 :2000-08)
 GSM 11.12:Digital cellular telecommunications system (Phase 2); Specification of the 3 Volt Subscriber Identity Module - Mobile Equipment (SIM - ME) interface(V4.3.1:1998-03)
 GSM 11.17:Digital cellular telecommunications system (Phase 2+) Subscriber Identity Module (SIM) conformance test specification (GSM 11.17 version 7.0.2 Release 1998)
 GSM 03.48:Security mechanisms for SIM application toolkit; Stage2 (GSM 03.48 version 8.8.0 Release 1999)
 Implementation Specification of Downloading Monternet SMS Service Menus on STK SIM Over The Air (Phase 2) V2.0(QB-QT-003-2003,2003-04)
 Testing Specification of Downloading Monternet SMS Service Menus on STK SIM Over The Air (Phase 2) V2.0(QB-QT-003-2003,2003-06)
3. Communication Protocol
The SIM card products support the asynchronous half duplex character transmission protocol (T=0) that be defined in ISO7816-3 which use Direct convention.
It support the two kinds of parameters, F =512, D=8 and F=372, D=1 in this operate system communication
4. Main character of chip
- 8 bit CPU or 16bit CPU
Memory size: 128K
- single byte read ,write, and wipe
- multi bytes storage(1byte to1page)
- program clock come from vibrate clock that generated by chip itself
- At the normal temperature, can proceed at least 100,000 times erase and write operations.
- EEPROM data endurance more than ten years
- EEPROM program voltage generated in the chip
Serial I/O interface
- Match ISO/IEC-7816
- asynchronous half duplex transmission protocol
- Two kinds of transmission velocity(372/1 and 512/8)optional
-8- bit randomizer
Power on reset
- internal power on reset mechanism
Low power work mode
- SLEEP mode
- CLOCK STOP mode
- Abnormal voltage/frequency detection function, DPA/SPS attacking immunity
--25°C to +70°C
- 2.7V to 3.3V,4.5V to 5.5V
- 1 - 5 MHz (3.57MHz)