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DATA BRIEFING

This is Brief Data from STMicro electronics. Details are subject to change without notice. For co mplete data, please contact

your nearest Sales Office or SmartCard Products Divison, Rousset, France. Fax: (+33) 4 42 25 87 29

ST19CF68

Smartcard MCU

With 512 Bits Modular Arithmetic Processor

s

8 BIT ARCHITECTURE CPU

s

23 KBytes of USER ROM WITH

PARTITIONING

s

SYSTEM ROM FOR LIBRARIES

s

960 Bytes of RAM WITH PARTITIONING

s

8 KBytes of EEPROM WITH PARTITIONING

– Highly reliable CMOS EEPROM technology

– 10 year data retention

– 100,000 Erase/Write cycle endurance

– Separate Write and Erase cycles for fast “1”

programming

– 1 to 64 bytes Erase or Program in 1 ms

s

512 BITS MODULAR ARITHMETIC

PROCESSOR

– Fast modular multiplication and squaring us-

ing Montgomery method

– Software Crypto Libraries in separate ROM

area for efficient algorithm coding using a set

of advanced functions

– Software selectable operand length

up to 1024 bits

s

SECURITY FIREWALLS FOR MAP AND

MEMORIES

s

VERY HIGH SECURITY FEATURES

INCLUDING EEPROM FLASH PROGRAM

AND RAM FLASH CLEAR

s

8 BIT TIMER

s

SERIAL ACCESS, ISO 7816-3 COMPATIBLE

s

3V

s

POWER SAVING STANDBY MODE

s

UP TO 10 MHz INTERNAL OPERATING

FREQUENCY

s

CONTACT ASSIGNMENT COMPATIBLE ISO

7816-2

s

ESD PROTECTION GREATER THAN 5000V

s

FAST CRYPTOGRAPHIC FUNCTIONS

PROCESSING (5V

*CRT: Chinese Remainder Theorem

Function

Speed

RSA 512 bits signature with CRT *

70 ms

RSA 512 bits signature without CRT

200 ms

RSA 512 bits verification (e=$10001)

6 ms

RSA 768 bits signature with CRT

200 ms

RSA 768 bits signature without CRT

N/A

RSA 768 bits verification (e=$10001)

100 ms

RSA 1024 bits signature with CRT

400 ms

RSA 1024 bits signature without CRT

N/A

RSA 1024 bits verification (e=$10001)

150 ms

Micromodule (D4)

Wafer

BD.CF68/9809VP5