Chapter 3 – Electrical Characteristics
Multi-Tech Systems, Inc. SocketModem EDGE Embedded Wireless Modem Developer’s Guide (S000376A)
13
SIM Interface Electrical Characteristics
SIM Interface Electrical Characteristics
This information is repeated in the next chapter under the SIM Interface section.
Parameter
Conditions
Min
Typ
Max
Unit
SIMDATA V
IH
I
IH
= +/- 20
µ
A
0.7xSIMVCC
V
SIMDATA V
IL
I
IL
= 1 mA
0.3xSIMVCC V
SIMRST,
SIMDATA
SIMCLK V
OH
Source current
= 20
µ
A
SIMVCC – 0.1V
V
SIMRST,
SIMDATA
SIMCLK V
OL
Sink current
= -200
µ
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
µ
s
SIMCLK
Frequency
Loaded with 30pF
3.25
MHz
