SLE44C42S Datasheet, PDF (3/5 Pages) Infineon Technologies AG – Security & Chip Card ICs

SLE 44C42S
8-bit Security Controller with
17-Kbyte ROM, 256-byte RAM, 4-Kbyte EEPROM and Sleep Mode
Features
• 8-bit microcomputer in CMOS
technology
• Instruction set opcode compatible with
standard SAB8051 processor
• Software compatible with SLE 44C40
• Dedicated, non-standard architecture
with execution time less than half of
standard SAB 8051 processor
• 15-Kbyte User ROM for application
programs
• 2-Kbyte manufacturer ROM for Chip
Management System (CMS)
• 4-Kbyte EEPROM as program/data
memory
• 256-byte RAM
• Power saving sleep mode
• Clock freq. = int. freq.:
1 to 5 MHz¹⁾ at 5 V ± 10 %,
1 to 4 MHz at 3 V ± 10 %
• Contact configuration and serial
interface in accordance with ISO7816
• Supply voltage range: 2.7 V to 5.5 V
• < 10 mA supply current at 5 MHz
• Temperature range: – 25 to + 70 °C ²⁾
• ESD protection larger than 4 kV
EEPROM
• Reading, erasing and writing byte by
byte
• Flexible page mode for 1 to 16 bytes
write/erase operation
• 32 bytes security area
• Write time 3.5 ms, erase time 1.75 ms
• Frequency-adaptable programming
time
• Minimum of 500,000 write/erase
cycles³⁾
• Data retention for minimum of ten years
• EEPROM programming voltage
generated on chip
Security Features
• ROM code not visible due to
implantation
• Low voltage sensor
• High voltage sensor
• Low-frequency sensor
• High-frequency protection
• 16 bytes security PROM, hardware
protected
• Unique chip identification number for
each chip
CMS
• Intelligent write/erase routines for N
bytes programming (0 < N < 256)
• Two serial interface modes
according to ISO 7816-3:
– 9600 bit/s related to 3.57 MHz
– 9600 bit/s related to 4.91 MHz
1) _{Extended frequency range up to 7.5 MHz is available, see ordering information.}
2) _{Extended temperature range is available for certain applications, e.g. GSM, see ordering information.}
3) _{Values are temperature dependent, for further information please refer to your Infineon Technologies}
Sales Office.
Short Product Information
3/5
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