Specifications

WM_PRJ_Q2400_PTS_002 - 001
24th October 2002
confidential ©
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Electrical Characteristics
Parameter Conditions Min Typ Max Unit
SIMDATA V
IH
I
IH
= ± 20µA
0.7
xSIMVCC
V
SIMDATA V
IL
I
IL
= 1mA
0.3
xSIMVC
C
V
SIMRST,
SIMDATA
SIMCLK V
OH
Source current =
20µA
SIMVCC – 0.1V
V
SIMRST,
SIMDATA
SIMCLK V
OL
Sink current = -
200µA
0.1 V
SIMVCC*
Output
Voltage
I
SIMVCC
<= 6mA
2.70 2.80 2.85
V
SIMCLK
Rise/Fall Time
Loaded with 30pF
50 ns
SIMRST,
SIMDATA
Rise/Fall Time
Loaded with 30pF
1 µs
SIMCLK
Frequency
Loaded with 30pF
3.25 MHz
(*) : given for the 3V interface. An external SIM driver is needed to handle 5V
SIMs.
Note
:
When not used SIMPRES has to be tied to VCC.
When used, a low to high transition means that the SIM card is inserted and a
high to low transition means that the SIM card is removed.