Datasheet

- 26 -
datasheet SD Card
Rev. 1.0
MMBTFxxGWBCA-xMExx
5.5.5 Bus Signal Levels
As the bus can be supplied with a variable supply voltage, all signal levels are related to the supply voltage.
Figure 5-13. Bus Signal Levels
To meet the requirements of the JEDEC specification JESD8-
1A and JESD8-7, the card input and output voltages shall be within the specified ranges
shown in Table 5-2 for any VDD of the allowed voltage range.
Supply Voltage
Time
V
DD
V
OH
V
IH
V
IL
V
OL
V
SS
Output
High Level
Output
Low Level
Undefined
Input
High Level
Input
Low Level