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SLE5536 Datasheet(PDF) 6 Page - Infineon Technologies AG |
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SLE5536 Datasheet(HTML) 6 Page - Infineon Technologies AG |
6 / 7 page 6/( ( 6KRUW3URGXFW ,QIRUPDWLRQ 6 / 7 *HQHUDO'HVFULSWLRQ SLE 5536/36E 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 5536/36E compared to SLE 4406/06E. &RQWURO8QLW6HFXULW\,QWHUIDFH &/. ,2 9&& *1' 567 $GGUHVV 8QLW $XWKHQWLFDWLRQ 8QLW 3URJUDPPLQJ8QLW 0HPRU\8QLW Counter Identification Area Data Areas 16 bit Manufacturer Code 8 bit Manufacturer Data 40 bit blockable PROM Authenti- cation Key 1 6/( 6/(( Identification Area 16 bit Manufacturer Code 48 bit blockable PROM /HJHQG Shaded blocks - Enhanced features of SLE 5536/36E compared to SLE 4406/06E Blocks marked by cross hatch - Defined by chip manufacturer optional Authenti- cation Key 2 Backup Unit )LJXUH %ORFN'LDJUDP • 0HPRU\8QLW Counter, Identification Data (e.g. serial number, expiry date) and Data Areas. • $GGUHVV8QLW Setting of the address counter is synchronously with the CLK. • 3URJUDPPLQJ 8QLW The programming voltage for the EEPROM/PROM is generated internally. |
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