Security & Chip Card ICs
SLE 4466
Intelligent 515–Bit Memory Chip
with Counter for > 130.000 Units,
Security Logic and High Security Authentication
Short Product Information 07.99
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Further information is confidential and on request. Please contact:
Infineon Technologies AG in Munich, Germany,
Security & Chip Card ICs,
Fax +49 89 234-28925
E-Mail: Security-andChipcard-ICs@infineoncom
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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.
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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).
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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.
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128 bit Identification Area consisting of
– 16 bit Manufacturer code (mask-programmable ROM)
– 8 bit Manufacturer data (ROM)
– 104 bit for personalization data of card issuer (PROM)
160 bit Value Counter (PROM/EEPROM)
16 bit secret User Code (EEPROM)
32 bit either secret Security Code or Data Area 3 in
Standard User Mode (EEPROM)
12 bit Data Area 1 (EEPROM)
32 bit Data Area 2 (EEPROM)
64 bit Response Counter
64 bit secret Authentication Key
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The memory is secured by different access codes dependent on the mode
– Issuer Mode: The memory access is secured by the 4 byte Transport Code
– Security User Mode: The memory access is secured by the 4 byte Security Code
– Standard User Mode: The memory access is secured by the 2 byte User Code. The
verification procedure is fully compatible with SLE 4404
The different chip modes are set by 3 flag bits.
Only after a successful code verification the chip logic allows to write or erase the data
according to the implemented functionality.
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– Three stage abacus counter
– Due to testing purposes a maximum of 127040 count units is guaranteed
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– 64 bit Random number as challenge
– 64 bit individual secret Authentication Key
– Calculation of up to 31 bit response within 60 ms at a clock frequency of 100 kHz
– Response calculation with cipher block chaining
– Authentication access and response calculation controlled by the Response Counter
– Four stage Response Counter with up to 69904 count units (61712 units guaranteed)
– Certification of the decreasing of the Value Counter
– Signature of the data content
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SLE 4466 M2
SLE 4466 C
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Values are temperature dependent, for further information please refer to your Infineon Sales Office.
available as wire-bonded module (M2) for embedding in plastic cards or as die (C) for customer packaging
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Control input (Reset Signal)
Clock input
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Bi-directional data line (open drain)
Control input (Programming Signal)
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