Mobile Memory Card Specification Sheet
T
T
T
S
S
S
6
6
6
4
4
4
M
M
M
~
~
~
1
1
1
G
G
G
R
R
R
M
M
M
M
M
M
C
C
C
4
4
4
MMCmobile
Transcend Information Inc. 
6
• Backwards Compatible Card Interface Timing 
(Ta=-25℃ to 85℃,V
DDH
=2.7V to3.6V) 
Parameter  Symbol Min.  Max.  Unit  Notes 
Clock Frequency (Data Transfer Mode)  fpp  0  20  MHz   
Clock Frequency (Identification Mode)  f
OD
0 400 KHz  
Clock Low Time  t
WL
10 ns  
Clock Rise Time  t
TLH
 10 ns  
Clock Fall Time  t
THL
 10 ns  
Input Set-up Time  t
ISU
3 ns  
Input Hold Time  t
IH
3 ns  
Output Delay Time  t
DLY
9.7 35 ns 
C
L
<=30pF 










