SLE 6636COM D Infineon Technologies, SLE 6636COM D Datasheet - Page 7

• Manufacturer Part Number: SLE 6636COM D
• Description: IC EEPROM COUNTER 237BIT WAFER
• Manufacturer: Infineon Technologies

Specifications of SLE 6636COM D

• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: SLE6636COMD; SP000010094

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