
T
T
TS
S
S2
2
2G
G
G~
~
~1
1
16
6
6G
G
GC
C
CF
F
F3
3
30
0
00
0
0
300X CompactFlash Card
Transcend Information Inc.
V1.1
13
Input Power
Input Leakage Current
Input Characteristics for UDMA mode >4
In UDMA modes greater than 4, the following characteristics apply. Voltage output high and low values shall be met
at the source connector to include the effect of series termination.
Table: Input Characteristics (UDMA Mode > 4)
Parameter Symbol MIN MAX Units
DC supply voltage to drivers V
DD3
3.3 –8% 3.3% + 8%
Volts
Low to high input threshold V+ 1.5 2.0 Volts
High to low input threshold V- 1.0 1.5 Volts
Difference between input thresholds:
((V+
current value
) - (V-
current value
)) V
HYS
320 Volts
Average of thresholds:
((V+
current value
) + (V-
current value
))/2 V
THRAVG
1.3 1.7 Volts
Output Drive Type