TS128MRMMC
•
Bus Timing
RS-MMC
Data must be always be sampled on the rising edge of the clock.
Parameter
Symbol Min.
Max.
20
5
400
Unit
Remark
Clock CLK(All values are referred to min(V
IH
) and max(V
IL
))
0
Clock frequency data transfer mode(PP)10 cards f
PP
Clock frequency data transfer mode(PP)30 cards
Clock frequency identification mode(OD)
Clock low time
Clock high time
Clock rise time
Clock fall time
Clock low time
Clock high time
Clock rise time
Clock fall time
Transcend Information Inc.
f
PP
f
OD
t
WL
t
WH
t
TLH
t
THL
t
WL
t
WH
t
TLH
t
THL
5
MHz C
L
<=100pF(10 cards)
MHz C
L
<=250pF(30 cards)
kHz
ns
ns
C
L
<=100pF(10 cards)
C
L
<=100pF(10 cards)
C
L
<=100pF(10 cards)
C
L
<=100pF(10 cards)
C
L
<=250pF(30 cards)
C
L
<=250pF(30 cards)
C
L
<=250pF(30 cards)
C
L
<=250pF(30 cards)
0
0
10
10
10
10
50
50
50
50
ns
ns
ns
ns
ns
ns
TRANSCEND [ TRANSCEND INFORMATION. INC. ]
