Transcend Information TS128M - Manual (Page 5)

T T T S S S 1 1 1 2 2 2 8 8 8 M M M ~ ~ ~ 2 2 2 G G G S S S D D D M M M 8 8 8 0 0 0
128M~2GB miniSD Memory Card
Transcend Information Inc. 5
• Bus Timing (Default)
Parameter Symbol Min Max. Unit Remark
Clock CLK (All values are referred to min (V
IH
) and max (V
IL
)
Clock frequency Data Transfer Mode f
PP
0 25 MHz C
L
≤ 100 pF, (7 cards)
Clock frequency Identification Mode
(The low freq. is required for MultiMediaCard
compatibility.) f
OD
0 400 KHz C
L
≤ 250 pF, (21 cards)
t
WL
10 ns C
L
≤ 100 pF, (7 cards) Clock low time
50 ns C
L
≤ 250 pF, (21 cards)
t
WH
10 ns C
L
≤ 100 pF, (7 cards) Clock high time
50 ns C
L
≤ 250 pF, (21 cards)
Clock rise time t
TLH
10 ns C
L
≤ 100 pF, (7 cards)