T
T
TS
S
S3
3
32
2
2M
M
M~
~
~1
1
1G
G
GC
C
CF
F
F8
8
80
0
0
80X CompactFlash Card
Transcend Information Inc.
14
3.3.2 Input Characteristics
3.3.2.1 CompactFlash interface I/O at 5.0V
Parameter Symbol Min. Max. Unit Remark
Supply Voltage V
CC
4.5 5.5 V
High level output voltage V
OH
V
CC
-0.8
V
Low level output voltage V
OL
0.8 V
4.0 V Non-schmitt trigger
High level input voltage V
IH
2.6 V Schmitt trigger
1
0.8 V Non-schmitt trigger
Low level input voltage V
IL
1.79 V Schmitt trigger
1
Pull up resistance
2
R
PU
52.54 86.56
kOhm
Pull down resistance R
PD
63 2 44 kOhm