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4.4.4
Open-Drain Mode Bus Signal Level
Parameter
Output HIGH voltage
Output LOW voltage
The input levels are identical with the push-pull mode bus signal levels.
4.4.5
Push-pull Mode Bus Signal Level
To meet the requirements of the JEDEC specification JESD8-1A, the card input and output voltages
shall be within the following specified ranges for any VDD of the allowed voltage range:
Parameter
Output HIGH voltage
Output LOW voltage
Input HIGH voltage
Input LOW voltage
4.4.6
Bus Timing
Clock
Input
Output
Note:
Data in the shaded areas is not valid.
Figure 4-5 Timing Diagram Data Input/Output Referenced to Clock
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION
MultiMediaCard Product Manual
Symbol
VOH
V
Symbol
M i n .
VOH
0.75 VDD
VOL
VIH
0.625 VDD
VIL
VSS-0.3
T PP
t
WH
t
THL
t
IH
t
OH
M i n .
M a x .
Unit
V
DD
-0.2
0.3
V
M a x .
Unit
V
V
0.125 VDD
VDD + 0.3
V
V
0.25 VDD
t
WL
t
TLH
t
ISU
t
OSU
Conditions
IOH = -100 A
IOL = 2 mA
Conditions
IOH=-100 A
@V
(min.)
DD
IOL=100 A
@V
(min.)
DD
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
25
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