Transcend Information manual 128MB~2GB SD80 Cards Bus Timing High Speed Mode

SD80 series

128MB~2GB SD80 Cards

•Bus Timing (High Speed Mode)

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	50	MHz
	Clock low time	tWL	7		ns
	Clock high time	tWH	7		ns
	Clock rise time	tTLH		3	ns
	Clock fall time	tTHL		3	ns
	Inputs CMD, DAT (referenced to CLK)
	Input set-up time	tISU	6		ns
	Input hold time	tIH	2		ns
	Outputs CMD, DAT (referenced to CLK)
Transcend Information Inc.			7