
Industrial Micro SD Card
AP-MSDxxxIXX-T
9
© 2013 Apacer Technology, Inc. Rev. 1.0
4. Electrical Characteristics
SYMBOL
PARAMETER MIN MAX UNIT Note
Clock CLK (All values are referred to min(V
IH
) and max(V
IL
)
f
PP
Clock frequency Data Transfer Mode 0 25 MHz
C
card
≤10 pF
(1 card)
f
OD
Clock frequency Identification Mode 0
(1)
/100
400 kHz
C
card
≤10 pF
(1 card)
t
WL
Clock low time 10 - ns
C
card
≤10 pF
(1 card)
t
WH
Clock high time 10 - ns
C
card
≤10 pF
(1 card)
t
TLH
Clock rise time - 10 ns
C
card
≤10 pF
(1 card)
t
THL
Clock fall time - 10 ns
C
card
≤10 pF
(1 card)
t
ISU
Input setup time 5 - ns
C
card
≤10 pF
(1 card)
t
IH
Input hold time 5 - ns
C
card
≤10 pF
(1 card)
t
ODLY
Output delay time 0 14 ns
C
L
≤40 pF
(1 card)
tODLY
Output Delay time during Identification
Mode
0 50 ns
C
L
≤40 pF
(1 card)
(1)0Hz means to stop the clock. The given minimum frequency range is for cases that requires the clock to be continued.
4.1 Bus Interface Timing (Standard)
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