Shanghai SIMCom Wireless Solutions Limited 8PSA301 ユーザーズマニュアル
Smart Machine Smart Decision
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Digital-logic Characteristics
Table 22: 1.8 V digital I/O characteristics
Parameter
Description
Min
Typ
Max
Unit
V
IH
High-level input voltage
1.17
-
-
V
V
IL
Low-level input voltage
-
-
0.63
V
V
OH
High-level output voltage
1.35
-
-
V
V
OL
Low-level output voltage
-
-
0.45
V
Table 23: USIM interface characteristics (USIM_VDD=1.8V/2.95V)
Parameter Description
Min
Typ
Max
Unit
V
IH
High-level input voltage
0.7* USIM_VDD
-
USIM_VDD+0.3
V
V
IL
Low-level input voltage
-0.3
-
0.2* USIM_VDD
V
V
OH
High-level output voltage
0.8*USIM_VDD
-
USIM_VDD
V
V
OL
Low-level output voltage
0
-
0.4
V
Table 24: SD interface characteristics (SD_LDO11 =1.8V)
Parameter Description
Min
Typ
Max
Unit
V
IH
High-level input voltage
1.27
-
2
V
V
IL
Low-level input voltage
-0.3
-
0.58
V
V
OH
High-level output voltage
1.4
-
-
V
V
OL
Low-level output voltage
0
-
0.45
V
Table 25: SD interface characteristics (SD_LDO11 =2.95V)
Parameter Description
Min
Typ
Max
Unit
V
IH
High-level input voltage
0.625* SD_LDO11
-
SD_LDO11+0.3
V
V
IL
Low-level input voltage
-0.3
-
0.25* SD_LDO11
V
V
OH
High-level output voltage
0.75* SD_LDO11
-
SD_LDO11
V
V
OL
Low-level output voltage
0
-
0.125* SD_LDO11
V