
Chapter 3 – Electrical Characteristics
Wireless ModemModule MTMMC-G-F1 and MTMMC-G-F2 Developer’s Guide
30
Table 3-24: SIM Interface Electrical Characteristics
Parameter
Conditions
Min
Typ
Max
Unit
SIMDATA V
IH
I
IH
= +/- 20
m
A
0.7xSIMVCC
V
SIMDATA V
IL
I
IL
= 1 mA
0.3xSIMVCC
V
SIMRST,
SIMDATA
SIMCLK V
OH
Source current
= 20
m
A
SIMVCC – 0.1V
V
SIMRST,
SIMDATA
SIMCLK V
OL
Sink current
= -200
m
A
0.1
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
m
s
SIMCLK
Frequency
Loaded with
30pF
3.25
MHz
Table 3-25: SIM Socket Pin Description
Signal
Pin Number
Description
Vcc
1
SIMVCC
RST
2
SIMRST
CLK
3
SIMCLK
CC4
4
R10 to Ground
GND
5
Ground
VPP
6
not connected
I/O
7
SIMDATA
CC8
8
SIMPRES1