Alcor Micro AU9540, Technical Reference Manual

Page: 12 / 18

AU9540 USB Smart Card Reader V1.6
8
5. Electrical Characteristics
5
5
.
.
1
1 Recommended Operating Conditions
Table 5.1 Recommended Operating Conditions
SYMBOL PARAMETER MIN TYP MAX UNITS
V
5IN
5V Power Supply 4.75 5.0 5.25 V
V33 3.3V Power Supply 3.0 3.3 3.6 V
V
IN
Input Signal Voltage V
DDH
-0.3 V
DDH
+0.3 V
V
DDH
Power Supply 3.0 3.3 3.6 V
V
DD
Digital Supply 1.62 1.8 1.98 V
T
OPR
Operating Temperature 0 85
O
C
5
5
.
.
2
2
G
G
e
e
n
n
e
e
r
r
a
a
l
l
D
D
C
C
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
Table 5.2 General DC Characteristics
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
I
IN
Input current No pull-up or pull-down -10
±
1
10
μ
A
I
OZ
Tri-state leakage
current
-10
±
1
10
μ
A
C
IN
Input capacitance Pad Limit 2.8
ρ
F
C
OUT
Output capacitance Pad Limit 2.8
ρ
F
C
BID
Bi-directional buffer
capacitance
Pad Limit 2.8
ρ
F
I
CC
Operating supply
current
Without Memory Card 0.2 mA