SB23Z012 devices are secure microcontrollers specially designed for secure smartcard applications.
They are based on an enhanced STMicroelectronics 8/16-bit CPU core offering 16 Mbytes of linear addressing space. SB23Z012 devices are manufactured using an advanced highly reliable ST CMOS EEPROM technology.
An ISO/IEC 7816-3 EMV-compliant asynchronous receiver transmitter (IART) communication peripheral is available.
Enhanced 8/16-bit ST23 CPU core with 16 Mbytes of linear addressable memory
140 Kbytes of User ROM
4 Kbytes of User RAM
12 Kbytes of User EEPROM including 128 bytes of User OTP area:
Highly reliable CMOS EEPROM submicron technology
30-year data retention at 25°C
500,000 Erase/Write cycles endurance at 25° C
1 to 32 byte Erase or Program in 1.0 ms
Operating temperature: –25° to +85°C
Three 8-bit timers with watchdog and interrupt capability
1.62 to 5.5V supply voltages
External clock frequency up to 10 MHz
High performance provided by:
CPU clock frequency up to 28 MHz
Power-saving Standby state
Contact assignment compatible with ISO/IEC 7816-3 standards
Asynchronous receiver transmitter (IART) for high speed serial data support (ISO/IEC 7816-3 T=0/T=1 and EMV™ compliant)
ESD protection greater than 5 kV (HBM)
Memory protection unit (MPU)
Protection mechanisms against faults
True random number generator (TRNG) (AIS-31 Class P2 compliant)