1/3

DATA BRIEF

April 2004

For further information contact your local ST sales office.

ST19WI18

Smartcard MCU With Modular Arithmetic Processor,

I2C & 18 Kbytes High Density EEPROM

3

PRODUCT FEATURES

I

ENHANCED 8 BIT CPU WITH EXTENDED

ADDRESSING MODES

I

112 KBYTES USER ROM WITH

PARTITIONING

I

4 KBYTES USER RAM WITH

PARTITIONING

I

18 KBYTES USER EEPROM WITH

PARTITIONING including 128 BYTES USER

and ST OTP AREA:

–

Highly reliable CMOS EEPROM

submicron technology

–

Error Correction Code for single bit fail

correction within a byte

–

10 year data retention

–

500,000 Erase/Write cycles endurance

–

1 to 64 bytes Erase or Program in 2 ms

I

SECURITY FIREWALLS FOR MEMORIES,

MODULAR ARITHMETIC PROCESSOR and

ENHANCED DES ACCELERATOR.

I

VERY HIGH SECURITY FEATURES

INCLUDING EEPROM FLASH

PROGRAMMING AND CLOCK

MANAGEMENT.

I

3x8 BIT TIMERS WITH INTERRUPT

CAPABILITY

I

HARDWARE SECURITY ENHANCED DES

ACCELERATOR WITH LIBRARY SUPPORT

FOR SYMMETRICAL ALGORITHMS:

–

DES, triple DES computations and CBC

chaining mode...

I

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.

I

ISO 3309 CRC CALCULATION BLOCK

I

FIPS 140-2 COMPLIANT RANDOM

NUMBER GENERATOR WITH TWO GUN

REGISTERS (Generators of Unpredictable

Number)

I

2.7 V TO 5.5 V SUPPLY VOLTAGE

I

EXTERNAL CLOCK FREQUENCY UP TO

8MHz

I

HIGH PERFORMANCE PROVIDED USING

INTERNAL CLOCK FREQUENCY

I

UNIQUE SERIAL NUMBER ON EACH DIE

I

POWER SAVING STANDBY MODE

I

CONTACT ASSIGNMENT COMPATIBLE

ISO 7816-2

I

2 SERIAL ACCESS I/O’S, ISO 7816-3

COMPATIBLE

I

ISO ASYNCHRONOUS RECEIVER

TRANSMITTER FOR HIGH SPEED SERIAL

DATA SUPPORT

I

ESD PROTECTION GREATER THAN 5000 V

I

I2C BUS INTERFACE (Slave, Single Master,

Multi-master Configurable) SUPPORTS

SLOW AND FAST MODE

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