Transcend Information TS4/8GUSDHC6-P3 manual Bus Timing

TS4/8GUSDHC6-P3 4/8GB microSDHC Class 6 Card + Reader P3

•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	CCARD ≤ 10 pF, (1 card)
	Clock frequency Identification Mode	fOD	0(1)/100	400	KHz	CCARD ≤ 10 pF, (1 card)
	Clock low time	tWL	10		ns	CCARD ≤ 10 pF, (1 card)
	Clock high time	tWH	10		ns	CCARD ≤ 10 pF, (1 card)
	Clock rise time	tTLH		10	ns	CCARD ≤ 10 pF, (1 card)
	Clock fall time	tTHL		10	ns	CCARD ≤ 10 pF, (1 card)
	Inputs CMD, DAT (referenced to CLK)
	Input set-up time	tISU	5		ns	CCARD ≤ 10 pF, (1 card)
	Input hold time	tIH	5		ns	CCARD ≤ 10 pF, (1 card)
	Outputs CMD, DAT (referenced to CLK)
Transcend Information Inc.			6