SLE 4432/42
SLE 4432/42
SLE 4432/42
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CC M SEE,24.8.99<br />
Printed: 30.10.2000<br />
Data Carrier.ppt 7<br />
<strong>SLE</strong> <strong>4432</strong>/<strong>42</strong><br />
<strong>SLE</strong> <strong>4432</strong>/<strong>42</strong><br />
Health insurance card<br />
Access control<br />
Member card<br />
Security & Chip Card ICs<br />
Copyright © Infineon Technologies AG 1999. All rights reserved.
CC M SEE,24.8.99<br />
Printed: 30.10.2000<br />
Data Carrier.ppt 8<br />
<strong>SLE</strong> <strong>4432</strong>/<strong>42</strong><br />
Features (1)<br />
Intelligent 256-byte EEPROM with Write Protect<br />
Function and <strong>SLE</strong> 44<strong>42</strong> version with Programmable<br />
Security Code (PSC)<br />
256 x 8-bit EEPROM organization<br />
Byte-wise addressing<br />
Irreversible byte-wise write protection of lowest 32<br />
addresses (Byte 0...31)<br />
32 x 1-bit organization of protection memory<br />
Answer-to-reset according to ISO standard 7816<br />
Security & Chip Card ICs<br />
Copyright © Infineon Technologies AG 1999. All rights reserved.
CC M SEE,24.8.99<br />
Printed: 30.10.2000<br />
Data Carrier.ppt 9<br />
<strong>SLE</strong> <strong>4432</strong>/<strong>42</strong><br />
Features (2)<br />
Programming time 2,5 ms per byte for both erasing and writing<br />
Data retention for minimum of ten years<br />
Minimum of 10 5 write/erase cycles per bit<br />
Contact configuration and serial interface in accordance<br />
with ISO standard 7816 (synchronous transmission)<br />
Extended Coding Scheme<br />
Additional feature of <strong>SLE</strong> 44<strong>42</strong><br />
Data can only be changed after verification of the correct 3-byte<br />
programmable security code<br />
Security & Chip Card ICs<br />
Copyright © Infineon Technologies AG 1999. All rights reserved.
CC M SEE,24.8.99<br />
Printed: 30.10.2000<br />
Data Carrier.ppt 10<br />
<strong>SLE</strong> <strong>4432</strong>/<strong>42</strong><br />
Block Diagram<br />
l/O<br />
GND<br />
VCC<br />
RST<br />
CLK<br />
Security<br />
Memory<br />
4 x 8 bit<br />
Security<br />
Logic<br />
(<strong>SLE</strong> 44<strong>42</strong> only)<br />
Control<br />
Logic<br />
Main<br />
Memory<br />
EEPROM<br />
256 x 8 bit<br />
Protection<br />
Memory<br />
32 x 1 bit<br />
Security & Chip Card ICs<br />
Copyright © Infineon Technologies AG 1999. All rights reserved.
CC M SEE,24.8.99<br />
Printed: 30.10.2000<br />
Data Carrier.ppt 11<br />
<strong>SLE</strong> <strong>4432</strong>/<strong>42</strong><br />
Applications<br />
Health insurance cards e. g. Germany<br />
Access control<br />
Member card e. g. to hotels, to clubs<br />
Portable data carrier<br />
Patient card<br />
Security & Chip Card ICs<br />
Copyright © Infineon Technologies AG 1999. All rights reserved.
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