ST21Y144

ST21Y144 Smartcard MCU with 144 Kbytes High Density EEPROM Data Brief Feature summary ST21Y144 major applications include: ■ ■ Mobile communications (GSM and CDMA) Java applications 259a.ai Hardware features ■ Enhanced 8/16-bit CPU core with 16 MBytes linear addressable memory 400 Kbytes User ROM 8 Kbytes User RAM 144 Kbytes User EEPROM including 64 Bytes User OTP area: – Highly reliable CMOS EEPROM submicron technology – 10-year data retention – 500,000 Erase/Write cycles endurance typical at 25°C – 1 to 64 Bytes Erase or Program in 1.5 ms Asynchronous Receiver Transmitter supporting ISO 7816-3 T=0 and T=1 protocols Two 8-bit timers with interrupt capability 1.8V, 3V and 5V supply voltage ranges External clock frequency from 1 up to 7.5 MHz High performance provided by: – CPU clock frequency up to 22 MHz – External clock multiplier (2x, 3x, and 4x) Current consumption complies with GSM specifications Power-saving Standby mode Contact assignment compatible ISO 7816-2 ESD protection greater than 4 kV (HBM) Micromodule Wafer ■ ■ ■ Security features ■ ■ ■ ■ Monitoring of environmental parameters Protection against faults ISO 3309 CRC calculation block Cryptographic performances(1): – Triple DES (with keys loaded): 9.3 µs – Single DES (with keys loaded): 3.1 µs True Random Number Generator Unique serial number on each die Hardware DES accelerator ■ ■ ■ ■ ■ ■ ■ ■ Development environment Software development and firmware generation are supported by a comprehensive set ...