Altec gsm socket al7024s Manuale Utente
AL7020S, AL7024S Designer’s Guide
Doc. No. DG_7024E
Altec Electronic AG
Seite 13 / 32
Table 3-5. Digital Electrical Characteristics
Parameter
Symbol
Min.
Typ.
Max.
Units
Test Conditions
Input High Voltage
pins 33,35,40
V
IH
2
-
5.5
Vdc
Input Low Voltage
pins 33,35,40
V
IL
0
-
0.8
Vdc
Output High
Voltage
pins 34,36,37,38
V
OH
VCC-0.1V
3.8V
@VCC=4.5V
VCC
4.2
-
-
Vdc
ILOAD= -20 uA
ILOAD = -4 mA
Output High
Voltage
VCC=4.5V
pin 39
V
OH
VCC-0.1
3.8V
VCC
-
-
-
ILOAD= -50 uA
ILOAD = -8 mA
Output Low
Voltage
pins 34,36,37,38
V
OL
-
-
-
0
0
0
0.1
0.33
Vdc
ILOAD = 20 uA
ILOAD = 4.8 mA
Output Low
Voltage
VCC=4.5V
pin 39
V
OL
-
-
-
-
-
-
0.1
0.44
Vdc
ILOAD = 50 uA
ILOAD = 8 mA
max Reset Low
Input Voltage
pin 24
V
IL
-
-
0.8
internally pulled
up to VCC by
10kΩ
Parameter Conditions
Min
Typ
Max Unit
SIMDATA V
IH
I
IH
= ± 20µA
0.7xSIMVCC
V
SIMDATA V
IL
I
IL
= 1 mA
0.3xSIMVCC
V
SIMRST
SIMDATA
SIMCLK V
SIMDATA
SIMCLK V
OH
Source
current
= 20µA
SIMVCC –
0.1V
V
SIMRST
SIMDATA
SIMCLK V
SIMDATA
SIMCLK V
OL
Sink current
= -200µA
0.1 V
SIMVCC*
Output Voltage
Output Voltage
I
SIMVCC
< =
6mA
2.70 2.80
2.85 V
SIMCLK
Rise / Fall Time
Rise / Fall Time
Loaded with
30pF
50 ns
SIMRST
SIMDATA
Rise / Fall Time
SIMDATA
Rise / Fall Time
Loaded with
30pF
1 µs
SIMCLK
Frequency
Frequency
Loaded with
30pF
3.25 MHz