Rainbow Electronics MG260 - Manual (Page 66)

MG260 Product Specification
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2.9.5 SIM interface
Parameter Conditions Min Typ Max Unit
SIM_DATA V
IH
I
IH
= ± 20 µA 0.7xSIM_VCC V
SIM_DATA V
IL
I
IL
= 1 mA 0.3 x
SIM_VCC
V
SIM_RST,
SIM_DATA
SIM_CLK V
OH
Source current
= 20 µA SIM_VCC –
0.1 V
V
SIM_RST,
SIM_DATA
SIM_CLK V
OL
Sink current = -
200 µA 0.10 V
SIM_VCC*
Output Voltage I
SIM_VCC
<= 6 mA 2.70 2.80 3.00 V
SIM_CLK
Rise/Fall Time Loaded with
30 pF 50 ns
SIM_RST,
SIM_DATA
Rise/Fall Time Loaded with
30 pF 1 µs
SIM_CLK
Frequency Loaded with
30 pF 3.25 MHz
SIM_PRES V
OH
2.70 2.80 3.00 V
SIM_PRES V
OL
0.10 V
(*): given for the 3 V interface. An external voltage level shifter is needed to handle
1.8 V or 5 V SIM cards.