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