參數(shù)資料
型號(hào)： MC4GH01GNMCA-2SA00
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： SAMSUNG MultiMediaCard
中文描述： 三星多媒體
文件頁(yè)數(shù)： 20/102頁(yè)
文件大小： 1384K
代理商： MC4GH01GNMCA-2SA00
MultiMediaCard
TM
20
Sep.22.2005
Revision 0.3
5.4.4 Bus Signal Levels
As the bus can be supplied with a variable supply voltage, all signal levels are related to the supply voltage.
Figure 5-4 : Bus Signal Levels
5.4.5 Open-Drain Mode Bus Signal Level
The input levels are identical with the push-pull mode bus signal levels.
5.4.6 Push-Pull Mode Bus Signal Level - High Voltage MultiMediaCard
To meet the requirements of the JEDEC specification JESD8-1A, the card input and output voltages shall be within the fol-
lowing specified ranges for any
V
DD
of the allowed voltage range:
5.4.7 Push-Pull Mode Bus Signal Level - Dual Voltage MultiMediaCard
The definition of the I/O signal levels for the Dual voltage MultiMediaCard changes as a function of
V
DD
2.7V - 3.6V: Identical to the High Voltage MultiMediaCard (refer to Chapter above)
1.95 - 2.7V: Undefined. The card is not operating at this voltage range
1.65 - 1.95V: Compatible with EIA/JEDEC Standard “EIA/JESD8-7 Wide Range” as defined in the following table
Parameter
Symbol
V
OH
V
OL
Min
Max.
Unit
V
Conditions
I
OH
= -100
μ
A
I
OL
= 2 mA
Output HIGH voltage
V
DD
-0.2
Output LOW voltage
0.3
V
Parameter
Symbol
V
OH
V
OL
V
IH
Min
Max.
Unit
V
Conditions
Output HIGH voltage
0.75*V
DD
I
OH
=-100
μ
A @V
DD
min
I
OL
=100
μ
A @V
DD
min
Output LOW voltage
0.125*V
DD
V
DD
+ 0.3
0.25*V
DD
V
Input HIGH voltage
0.625*V
DD
V
Input LOW voltage
V
IL
VSS-0.3
V
V
DD
input
high level
input
low level
undefined
V
t
output
high level
output
low level
V
OH
V
IH
V
IL
V
OL
V
SS
Table 5-6 : Open Drain Mode Bus Signal Levels
Table 5-7 : Push-Pull Mode Bus Signal Level - High Voltage MulultiMediaCard
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