Part # Data Brief ST22N256 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: Smartcard 32-Bit RISC MCU with 256 KBytes EEPROM Java Carddatasheet HW Execution & Cryptographic Library

Part Details:

ST22N256 ST22N256-A Smartcard 32-Bit RISC MCU with 256 Kbytes EEPROM Java CardTM HW Execution & Cryptographic Library Data Brief Features ST22N256(-A) applications include: 4 4 High-end USIM Multi-application Java CardTM Hardware features 32-bit RISC CPU 4 4 ­ 24-bit linear memory addressing ­ Dual instruction set: Native/Java CardTM Micromodule Wafer 374 (N256), 394 (N256-A) KBytes User ROM 16 KBytes User RAM Software features 256 KBytes User EEPROM Hardware Abstraction Layer (HAL) available as ­ Error Correction Code within 32-bit word a C-oriented API ­ 10-year data retention Cryptographic library including: ­ 500,000 Erase/Write cycles endurance ­ Asymmetrical algorithms (ST22N256): ­ 1 to 128 bytes Erase/Program in 2 ms (typ.) RSA signature/verification, Prime number Asynchronous Serial Interface (ASI) generation (up to 1024 bits) and RSA key ­ 2 serial I/O ports compatible ISO 7816-3 generation (up to 2048 bits) T=0 and T=1 ­ SHA-1 Hash function (ST22N256) 2 configurable 12-bit and 16-bit timers ­ Symmetrical algorithms: DES, Triple DES and AES Interrupt controller with up to 16 lines External clock from 1 MHz to 10 MHz Security features 1.62 V to 5.5 V supply voltage CPU security instructions dedicated to: Typical internal frequency up to 33 MHz ­ DES and Triple DES Security EEPROM Flash programming mode ­ Modular arithmetic and elliptic curve Clock and power management ­ CRC calculation (16-bit ISO 3309) Voltage and clock frequency sensors Advanced Memory Protection Unit Highest security certification: CC EAL5+

Please click the following link to download the datasheet:

Data Brief ST22N256.pdf Datasheet