Transcend Information Mobile Memory Card TS1GRMMC4 - Manual (Page 5)

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MMCmobile
Transcend Information Inc. 5
AC Characteristics
• High Speed 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 26 52 MHz
Clock Frequency (Identification Mode) f
OD
0 400 KHz
Clock Low Time t
WL
6.5 ns
Clock Rise Time t
TLH
3 ns
Clock Fall Time t
THL
3 ns
Input Set-up Time t
ISU
3 ns
Input Hold Time t
IH
3 ns
Output Delay Time t
DLY
5 14 ns C
L
＜＝30pF
Signal Rise Time t
rise
3 ns C
L
＜＝30pF
Signal Fall Time t
fall
3 ns C
L
＜＝30pF