Specifications

WM_PRJ_Q2400_PTS_001 - 003
6th November 2002
confidential ©
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without prior written agreement.
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des tiers sans son autorisation préalable.
SIMCLK and SIMDATA to avoid any disturbance of the rising and falling edge.
These types of diodes are mandatory for the Full Type Approval. They shall be
placed as close as possible to the SIM socket.
The following references can be used: DALC208SC6 from ST Microelectronics.
Pin description
Signal Pin number I/O I/O type Description
SIMCLK 3 O 2X SIM Clock
SIMRST 5 O 2X SIM Reset
SIMDATA 7 I/O CMOS / 3X SIM Data
SIMVCC 9 O SIM Power Supply
SIMPRES 50 I CMOS SIM Card Detect
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.