SP000074924XH Infineon Technologies, SP000074924XH Datasheet - Page 7
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SP000074924XH
Manufacturer Part Number
SP000074924XH
Description
Manufacturer
Infineon Technologies
Datasheet
1.SP000074924XH.pdf
(8 pages)
Specifications of SP000074924XH
Operating Temperature (min)
-40C
Pin Count
6
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Compliant
2
SLE 6636/36E is designed for applications in prepaid telephone cards. The chip consists of an
EEPROM memory of 221 bit, a ROM of 16 or 24 bits respectively, a control/security unit and a
special computing unit for chip authentication.
Figure 4
•
•
•
•
Short Product Information
Memory Unit
—
—
—
—
Address Unit
Setting of the address counter is synchronously with the CLK.
Programming Unit
The programming voltage for the EEPROM/PROM is generated internally.
Backup Unit
Tearing a card out of a reader is indicated optionally.
Manufacturer Code (16-Bit Code) and Manufacturer Data (3
Identification Data (e.g. serial number, expiry date);
Counter;
Data Areas.
application. For SLE 6636E its recommended to use the 3
to uniquely identify the application by the 16-bit manufacturer code and the 3
Address
Circuit Description
Unit
Block Diagram
Key 1 (PROM)
Authentication
Key 2 (PROM)
Authentication
Authentication
Authentication
Cipher Block
Extended
Chaining
optional
Mode
Unit
Control Unit (Security Interface)
CLK
(PROM / EEPROM)
16 bit Manufacturer Code
Identification Area
8 bit Manufacturer Data
40 bit blockable PROM
7 / 8
SLE 6636
Programming Unit
Counter
I/O
Data Areas (PROM)
Memory Unit
RST
rd
rd
byte for administration purpose
16 bit Manufacturer Code
Identification Area
Byte) for unique coding of an
SLE 6636 / SLE 6636E
48 bit blockable PROM
Backup Unit
SLE 6636E
GND
Eurochip 66
rd
VCC
byte;
2008-10-14