> 5.4 | Characteristics of the SIM Interface for Use with 3V Cards

> Table 29: | Characteristics of the SIM interface for use with 3V cards

> Function | Signal name | IO | Signal form and level | Comment
> Reset | CCRST | O | R O ≈ 47Ω VOLmax = 0.25V at I = +1mA VOHmin = 2.5V at I = -0.5mA VOHmax = 2.95V | All signals of SIM interface are protected against ESD with a special diode array.
> Data IO | CCIO | I/O | R I ≈ 4.7kΩ VILmax = 0.75V VILmin = -0.3V VIHmin = 2.1V VIHmax = CCVCCmin + 0.3V = 3.05V R O ≈ 100Ω VOLmax = 0.3V at I = +1mA VOHmin = 2.5V at I = -0.5mA VOHmax = 2.95V
> Clock | CCCLK | O | R O ≈ 100Ω VOLmax = 0.3V at I = +1mA VOHmin = 2.5V at I = -0.5mA VOHmax = 2.95V
> Supply | CCVCC | O | V Omin = 2.75V VOtyp = 2.85V VOmax = 2.95V IOmax = -20mA
> Ground | CCGND |  | Ground