ST21Y068| Datasheet

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ST21Y068
Smartcard MCU with 68 KBytes High Density EEPROM
Data Brief

Feature summary
ST21Y068 major applications include:

Mobile communications (GSM and CDMA) Java applications
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Hardware features

Enhanced 8/16-bit CPU core with 16 MBytes linear addressable memory 248 Kbytes User ROM 6 Kbytes User RAM 68 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 us Single DES (with keys loaded): 3.1 us 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 of development tools dedicated to software design and validation.

1. Typical values at 22 MHz

March 2007

Rev 6

1/4
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