SLE 4406SP Classic Infineon Technologies, SLE 4406SP Classic Datasheet - Page 6

• Manufacturer Part Number: SLE 4406SP Classic
• Manufacturer: Infineon Technologies

Specifications of SLE 4406SP Classic

• Prom: 72-bit
• E2prom: 32 bit
• Delivery Forms: Module M3, MFC 3.1 (FCOS™), die
• Product Description: Intelligent 128-bit EEPROM counter with security logic
• Typical Application: Prepaid Phone Card, Vending

General Description
SLE 4406SP/06SPE is designed for applications in prepaid telephone cards. The chip consists of
an EEPROM memory of 112 bit, a ROM of 16 bits and a control/security unit.
Figure 4
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Short Product Information
Memory Unit
Counter, Identification Data (e.g. serial number, expiry date) and Data Area.
Address Unit
Setting of the address counter is synchronously with the CLK.
Programming Unit
The programming voltage for the EEPROM/PROM is generated internally.
Security Interface
Ensures a minimum and a maximum frequency and proper logical voltage levels.
Legend
Blocks marked by cross hatch - Defined by chip manufacturer
Address
Block Diagram
Unit
Control Unit (Security Interface)
either
or
CLK
Identification Area 1
Identification Area 2 (24 bit blockable PROM
16 bit Manufacturer Code
8 bit Manufacturer Data
40 bit blockable PROM
SLE 4406SP
6 / 6
I/O
Data Area (24 bit PROM)
Memory Unit
Programming Unit
Counter
RST
Identification Area 1
16 bit Manufacturer Code
48 bit blockable PROM
SLE 4406SPE
GND
SLE 4406SPE
SLE 4406SP
VCC
2008-10-14