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Security & Chip Card ICs SLE 55R01
Intelligent 160-Byte EEPROM with Contactless Interface complying to ISO/IEC 14443 Type A and Security Logic
Short Product Information
January 2001
SLE 55R01 Short Product Information Revision History: Previous Releases: Page Subjects (changes since last revision) Current Version 2001-01-31
Ref.: SPI_SLE55R01_0101.doc
Important: Further information is confidential and on request. Please contact: Infineon Technologies AG in Munich, Germany, Security & Chip Card ICs, Tel +49 - (0)89 / 234-80000 Fax +49 - (0)89 / 234-81000 E-Mail: security.chipcard.ics@infineon.com
Published by Infineon Technologies AG, CC Applications Group St.-Martin-Strasse 76, D-81541 Munchen (c) Infineon Technologies AG 2001 All Rights Reserved. To our valued customers We constantly strive to improve the quality of all our products and documentation. We have spent an exceptional amount of time to ensure that this document is correct. However, we realise that we may have missed a few things. If you find any information that is missing or appears in error, please use the contact section above to inform us. We appreciate your assistance in making this a better document. Attention please! The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Infineon Technologies is an approved CECC manufacturer. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Representatives world-wide (see address list). Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.
SLE 55R01 Intelligent 160-Byte EEPROM with Contactless Interface complying to ISO/IEC 14443 Type A and Security Logic
Features * 160 bytes EEPROM
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Organised in 16 pages located in up to 16 sectors Each page organised in 8 bytes for data storage + 2 bytes for administrative purposes Configurable number of sectors (1 to 15) & sector size (1 to up to 16 pages) Service Area 4 pages Configurable Key Area with up to 14 key pairs Configurable User Area Unique chip identification number Access conditions unchangeable in user mode Each page in User Area configurable as a Counter Support of Anti-Tearing 2-way authentication with 64-bit secret key between reader and card 2 keys for each sector allow hierarchical key management Multi-level security structure possible Individual access rights for each key within a sector for each page Only one sector can be opened at a time Data integrity supported by 16 bit CRC (ISO 3309) and 32 bit MAC (after authentication)
*
Value Counters: up to 65536 units (with a value range from 0 to 216-1)
- -
*
High Security Authentication Unit
- - - - - -
* *
Access protection of EEPROM by transport keys on chip delivery Physical Interface and Anticollision complying to ISO/IEC 14443 Type A
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Carrier frequency: 13.56 MHz 106 kbit/s data rate transfer Bit oriented anticollision method complying with ISO/IEC 14443 Contactless transmission of data and supply energy Coupling distance from 0 to 10 cm (typ.)
* * * * *
EEPROM updating (erase and program) time maximum 4 ms per page EEPROM endurance minimum 105 write/erase cycles1) Data retention for minimum of 10 years1) ESD protection typical 4kV Ambient temperature -25 ... +85C
1)
Values are temperature dependent
Short Product Information
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SLE 55R01
Ordering and Packaging information
Table 1 Type SLE 55R01C SLE 55R01LM Ordering Information Package1) User Die MCC2-2-1 128 bytes 128 bytes Memory Admin. 32 bytes 32 bytes 16 16 on request on request Pages Ordering Code
Pin Description
Figure 1 Pin Configuration Module Contactless Card (top view)
LA
SLE 55R01
LB
Figure 2 Table 2 Symbol LA LB
1)
Pad Configuration Die Pin Definitions and Functions Function Antenna connection Antenna connection
Available as a Module Contactless Card (MCC) for embedding in plastic cards or as a die (C) for customer packaging
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SLE 55R01
1 General Description
SLE 55Rxx-family of contactless memory chips focuses on high security and flexible memory and sector configuration. This family of memory chips supplies the user with different memory sizes meeting the requirements of variable applications. SLE 55R01 complies to ISO/IEC 14443 part 2 and part 3 Type-A (modulation ASK 100%) for contactless proximity smart cards. The power supply and data are transferred to SLE 55R01 via an antenna. SLE 55R01 is designed to communicate with a contactless card reader up to a typical operating distance of 10 cm.
User Area 1 up to 15 Sectors
Administration Area Control of Memory Access
Configurable Sector Size up to 16 Pages
Key Area up to 14 Key Pairs
Service Area Unique Serial Number Legend Blocks marked by cross hatch - Defined by chip manufacturer Figure 3 Memory principle of SLE 55R01
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SLE 55R01
1.1
Circuit Description
SLE 55R01 consists of a EEPROM memory unit, an analog interface for contactless energy and data transmission, a control and a crypto unit.
Power Clock Analog Contactless Interface Operational Mode Crypto Unit Memory Unit
LA
Power Circuit Rectifier Clock Extractor Power on Reset Voltage Regulator
LB
Antenna
Data
Serial Parallel Converter
IO
Command
Anticollision
Authentication
Memory Access
Control Unit
Figure 4 Block diagram of SLE 55R01 * Analog Contactless Interface consists of: Rectifier - Voltage Regulator - Power on Reset - Modulator / Demodulator - Clock Extractor
-
*
Operational mode The access to the memory depends on the actual mode of SLE 55R01; the memory is accessed according to plain or protected mode when the PICC is selected. Crypto Unit Generates random numbers, checks and calculates message authentication code (MAC). Memory Unit 160 bytes organised in 16 pages with 8 + 2 bytes each. Control Unit Decoding and execution of the commands -- Bit oriented anticollision method with 4 or 7 byte long serial numbers (complying to ISO/IEC 14443-3 - cascade level 1 and 2 are supported). It allows the recognition of several cards in the field which may be selected and operated in sequence. -- Access to key-protected sectors is only permitted after authentication with an appropriate key. Only one sector is opened within a session. One sector is optionally configurable without key protection and authentication. -- Memory access to the pages according to the individual access conditions programmed for every page and every key
--
* * *
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SLE 55R01
1.2 System Overview
The system consists of a contactless card on one hand and a contactless card reader together with an antenna on the other. Operations on protected areas of SLE 55R01 requires a security access module at the reader or system side to perform a high system security. The security access module (SAM) holds the algorithm for the fast and secure calculation of the authentication and the integrity check of the transferred and received data.
ROM EEPROM RAM
C
Serial Interface
Address- / Data-Bus
Chip Card UART
SLF9000N
PICC Proximity card SLE 55Rxx
Analog Circuitry SAM
ICC Chip Card
Antenna
Figure 5 Contactless System Example * * * * * Chip card UART - Interface between Address- / Data-Bus of -processor system and reader contacts SLF 9000 - Interface between Address- / Data-Bus of -processor system and contactless interface ICC - Integrated Circuit(s) Card with Contacts according to ISO/IEC 7816 PICC - Proximity Card according to ISO/IEC 14443 SAM - Security Access Module with contacts according to ISO/IEC 7816
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SLE 55R01
Contactless Energy and Data Transfer
The operating distance between card and reader antenna is typically up to 10 cm. The card antenna consists of a simple coil with a few turns embedded in plastic. Contactless cards are passive. The high speed RF communication interface allows to exchange data with 106 kbit/s. This high data transmission rate permits short transaction times. An intelligent anticollision function allows to operate more than one card in the field simultaneously. The anticollision algorithm selects each card individually and ensures that the execution of a transaction with a selected card is performed correctly without data corruption resulting from other cards.
Multi-Application Functionality
SLE 55R01 provides the possibility to use one large sector or several smaller ones with different sizes. Optionally, one sector can be opened without authentication to read e.g. additional card and issuer information. Thus, SLE 55R01 meets the need of low cost memory applications like public transport as well as the more extensive needs of payment systems, which is also supported by the counter function. Two different key sets for each memory sector support systems using key hierarchies.
High System Security
In the system design, special emphasis has been placed on security against fraud. The serial number is unique for each card and can not be changed. Access to the protected memory of the card is only possible after a mutual authentication (challenge/response) which is a function of the unique serial number, random number and key to be used. Authentication is only possible with a security access module, SAM, that holds the algorithm. Therefore, for all operations on the protected memory, the SAM calculates and checks by a message authentication code (MAC) the integrity of the transferred data. Thus, operations on the protected memory are key protected, and restricted by page-configurable access conditions.
Short Product Information
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