SLE4436C Infineon Technologies AG, SLE4436C Datasheet - Page 6

• Manufacturer Part Number: SLE4436C
• Description: Security & Chip Card ICs
• Manufacturer: Infineon Technologies AG

SLE 4436/36E is designed for applications in prepaid telephone cards. The chip consists of an
EEPROM memory of 221 bit, a ROM of 16 bits, a control/security unit and a special computing unit
for chip authentication. The shaded blocks in the block diagram (Figure 3) contain the enhanced
features of SLE 4436/36E compared to SLE 4406/06E.
Counter, Identification Data (e.g. serial number, expiry date) and Data Areas.
Setting of the address counter is synchronously with the CLK.
The programming voltage for the EEPROM/PROM is generated internally.
Shaded blocks - Enhanced features of SLE 4436/36E compared to SLE 4406/06E
Blocks marked by cross hatch - Defined by chip manufacturer
cation Key 1
cation Key 2
Authenti-
Authenti-
optional
16 bit Manufacturer Code
Identification Area
8 bit Manufacturer Data
40 bit blockable PROM
6 / 7
Counter
Data Areas
16 bit Manufacturer Code
Identification Area
48 bit blockable PROM
Backup Unit