Transcend TS2GUSD2 Ficha de datos descargar pdf (Pagina 5)

T

T

T

S

S

S

2

2

2

5

5

5

6

6

6

M

M

M

~

~

~

2

2

2

G

G

G

U

U

U

S

S

S

D

D

D

microSD 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)

t

TLH

10 ns C

L

≤ 100 pF, (7 cards) Clock rise time

50 ns C

L

≤ 250 pF, (21 cards)

t

THL

10 ns C

L

≤ 100 pF, (7 cards) Clock fall time

50 ns C

L

≤ 250 pF, (21 cards)

Inputs CMD, DAT (referenced to CLK)

Input set-up time t

ISU

5 ns C

L

≤ 25 pF, (1 cards)

Input hold time t

IH

5 ns C

L

≤ 25 pF, (1 cards)

Outputs CMD, DAT (referenced to CLK)

Output Delay time t

ODLY

0 14 ns C

L

≤ 25 pF, (1 cards)

1 2 3 4 5 6 7 8 9 10 ... 24 25

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