Alcor Micro AU9540 - AU9540 3.3 V I;O Cell DC Characteristics; AU9540 Power Consumption Details

AU9540 USB Smart Card Reader V1.6
9
5
5
.
.
3
3
D
D
C
C
E
E
l
l
e
e
c
c
t
t
r
r
i
i
c
c
a
a
l
l
C
C
h
h
a
a
r
r
a
a
c
c
t
t
e
e
r
r
i
i
s
s
t
t
i
i
c
c
s
s
o
o
f
f
3
3
.
.
3
3
V
V
I
I
/
/
O
O
C
C
e
e
l
l
l
l
s
s
Table 5.3 DC Electrical Characteristics of 3.3V I/O Cells
Limits
SYMBOL PARAMETER CONDITIONS
MIN TYP MAX
UNIT
V
D33P
Power supply 3.3V I/O 3.0 3.3 3.6 V
V
il
Input low voltage 0.8 V
V
ih
Input high voltage
LVTTL
2.0 V
V
ol
Output low voltage
∣I
ol
∣=2~16mA
0.4 V
V
oh
Output high voltage
∣I
oh
∣=2~16mA
2.4 V
R
pu
Input pull-up resistance PU=high, PD=low 55 75 110
KΩ
R
pd
Input pull-down resistance PU=low, PD=high 40 75 150
KΩ
I
in
Input leakage current V
in
= V
D33P
or 0 -10
±1
10
μA
I
oz
Tri-state output leakage
current
-10
±1
10
μA
5
5
.
.
4
4
P
P
o
o
w
w
e
e
r
r
C
C
o
o
n
n
s
s
u
u
m
m
p
p
t
t
i
i
o
o
n
n
Table 5.4 Power Consumption
Status Mode Power Current
Note
With card present, before
being suspended.
Normal Mode 27.9 mA
This value may
vary with different
card.
Without card present, before
being suspended.
Normal Mode 19.2 mA
After being suspended with
smart card present
Normal Mode 390 μA
This value may
vary with different
card.
After being suspended without
smart card present
Normal Mode 350 μA
With card present, before
being suspended.
Power Saving
Mode
27.9 mA
This value may
vary with different
card.
Without card present
Power Saving
Mode
240 μA
This value may
vary with different
card.
After being suspended with
smart card present
Power Saving
Mode
390 μA