General Description
SLE 44C10S is a member of the Infineon Technologies 44 security microcontroller series, especially designed for smart card applications. The device is fabricated in an Infineon Technologies proprietary CMOS technology. New features such as low voltage operation, extended page mode and I/O routines offer additional performance required in applications like metering and membership cards.

Features
• 8-bit microcomputer in CMOS technology
• Instruction set opcode compatible with standard SAB8051 processor
• Dedicated, non-standard architecture with execution time less than half of standard SAB 8051 processor
• 7-Kbyte User ROM for application programs
• 2-Kbyte manufacturer ROM for &hip Management 6ystem (CMS)
• 1-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