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ST21Y144 - Smartcard MCU

General Description

The ST21Y144 product is a serial access microcontroller specially designed for costeffective secure mobile applications.

It is based on an enhanced STMicroelectronics 8/16-bit CPU core offering 16 MBytes linear addressing space.

Key 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 1.8.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.