> 5.5 | Characteristics of the SIM interface for Use with 1.8V Cards

> Table 30: | Characteristics of the SIM interface for use with 1.8V cards

> Function | Signal name | IO | Signal form and level | Comment
> Reset | CCRST | O | R O ≈ 47Ω VOLmax = 0.25V at I = +1mA VOHmin = 1.45V at I = -0.5mA VOHmax = 1.90V | All signals of SIM interface are protected against ESD with a special diode array.
> Data IO | CCIO | I/O | R I ≈ 4.7kΩ VILmax = 0.45V VIHmin = 1.35V VIHmax = CCVCCmin + 0.3V = 2.00V R O ≈ 100Ω VOLmax = 0.3V at I = +1mA VOHmin = 1.45V at I = -0.5mA VOHmax = 1.90V
> Clock | CCCLK | O | R O ≈ 100Ω VOLmax = 0.3V at I = +1mA VOHmin = 1.45V at I = -0.5mA VOHmax = 1.90V
> Supply | CCVCC | O | V Omin = 1.70V VOtyp = 1.80V VOmax = 1.90V IOmax = -20mA
> Ground | CCGND |  | Ground