Transcend Information TS2GSD133 manual - page 5

T
T
TS
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S2
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2G
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GS
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SD
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D1
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Secure Digital Card
Transcend Information Inc.
5
• Bus Timing
Parameter Symbol Min Max. Unit Remark
Clock CLK (All values are referred to min (VIH) and max (VIL)
Clock frequency Data Transfer Mode fPP 0 25 MHz CL ≤ 100 pF, (7 cards)
Clock frequency Identification Mode
(The low freq. is required for MultiMediaCard
compatibility.)
fOD 0 400 KHz CL ≤ 250 pF, (21 cards)
tWL 10 ns CL ≤ 100 pF, (7 cards) Clock low time
50 ns CL ≤ 250 pF, (21 cards)
tWH 10 ns CL ≤ 100 pF, (7 cards) Clock high time
50 ns CL ≤ 250 pF, (21 cards)
tTLH 10 ns CL ≤ 100 pF, (7 cards) Clock rise time
50 ns CL ≤ 250 pF, (21 cards)