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DATA BRIEF

April 2004

For further information contact your local ST sales office.

ST19WL18

Smartcard MCU With Modular Arithmetic Processor

& 18 Kbytes High Density EEPROM

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PRODUCT FEATURES

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ENHANCED 8 BIT CPU WITH EXTENDED

ADDRESSING MODES

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112 KBYTES USER ROM WITH

PARTITIONING

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4 KBYTES USER RAM WITH

PARTITIONING

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18 KBYTES USER EEPROM WITH

PARTITIONING including 128 BYTES USER

and ST OTP AREA:

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Highly reliable CMOS EEPROM

submicron technology

–

Error Correction Code for single bit fail

correction within a byte

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10 year data retention

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500,000 Erase/Write cycles endurance

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1 to 64 bytes Erase or Program in 2 ms

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SECURITY FIREWALLS FOR MEMORIES,

MODULAR ARITHMETIC PROCESSOR and

ENHANCED DES ACCELERATOR.

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VERY HIGH SECURITY FEATURES

INCLUDING EEPROM FLASH

PROGRAMMING AND CLOCK

MANAGEMENT.

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3x8 BIT TIMERS WITH INTERRUPT

CAPABILITY

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HARDWARE SECURITY ENHANCED DES

ACCELERATOR WITH LIBRARY SUPPORT

FOR SYMMETRICAL ALGORITHMS:

–

DES, triple DES computations and CBC

chaining mode...

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1088 Bit MODULAR ARITHMETIC

PROCESSOR WITH LIBRARY SUPPORT

FOR ASYMMETRICAL ALGORITHMS

–

Fast modular multiplication and squaring

using Montgomery method

–

Software Crypto libraries in separate ST

ROM area for efficient algorithm coding

using a set of advanced functions

–

Software selectable operand length up to

2176 bits.

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ISO 3309 CRC CALCULATION BLOCK

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FIPS 140-2 COMPLIANT RANDOM

NUMBER GENERATOR WITH TWO GUN

REGISTERS (Generators of Unpredictable

Number)

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2.7 V TO 5.5 V SUPPLY VOLTAGE

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EXTERNAL CLOCK FREQUENCY UP TO

8MHz

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HIGH PERFORMANCE PROVIDED USING

INTERNAL CLOCK FREQUENCY

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UNIQUE SERIAL NUMBER ON EACH DIE

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POWER SAVING STANDBY MODE

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CONTACT ASSIGNMENT COMPATIBLE

ISO 7816-2

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2SERIAL ACCESS I/O’S, ISO 7816-3

COMPATIBLE

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ESD PROTECTION GREATER THAN 5000 V

Figure 1. Delivery Form

Function

1.

Typical values, independent from external clock frequency

and supply voltage.

2.

CRT: Chinese Remainder Theorem.

85 ms

282 ms

RSA 1024 bits verification (e=’$10001’)5.5 ms

RSA 1024 bits key generation

2.5 s

570 ms

RSA 2048 bits verification (e=’$10001’)91 ms

Triple DES (with enhanced security)

58.0 µs

Single DES (with enhanced security)

43.0 µs

259a.ai

Micromodule

Wafer