SLE4440 Datasheet, PDF (6/14 Pages) Siemens Semiconductor Group – ICs for Chip Cards / Intelligent 256/64/128-Byte EEPROM

SLE 4432
SLE 4442
SLE 4440
SLE 4441
I/O
Read Main Memory
224 byte
Update Main
Memory
Unprotected
Data Memory
Read Protection
Memory
32 bit
Protection
Memory
(PROM)
32 byte
Protectable
Data memory
Application ID
Chip Coding
Figure 1 Memory Overview SLE 4432
I/O
Read Main Memory
224 byte
Security Logic
Update Main
Memory
Unprotected
Data Memory
Programmable
Security Code
Error Counter
Read Protection
Memory
32 bit
Protection
Memory
(PROM)
32 byte
Protectable
Data memory
Application ID
Chip Coding
Figure 2 Memory Overview SLE 4442
Semiconductor Group
6
Data Sheet Extension 09.98