Alcor Micro AU9540 Technical Reference Manual - Page 12
Browse online or download pdf Technical Reference Manual for Controller Alcor Micro AU9540. Alcor Micro AU9540 18 pages. Usb smart card reader controller
5. Electrical Characteristics
5
.
1 Recommended Operating Conditions
5
.
1
Table 5.1 Recommended Operating Conditions
SYMBOL
PARAMETER
V
5V Power Supply
5IN
V33
3.3V Power Supply
V
Input Signal Voltage
IN
V
Power Supply
DDH
V
Digital Supply
DD
T
Operating Temperature
OPR
5
.
2
G
e
n
e
r
a
l
D
C
5
.
2
G
e
n
e
r
a
l
D
C
SYMBOL
PARAMETER
I
Input current
IN
Tri-state leakage
I
OZ
current
C
Input capacitance
IN
C
Output capacitance
OUT
Bi-directional buffer
C
BID
capacitance
Operating supply
I
CC
current
8
C
h
a
r
a
c
t
e
r
i
s
t
C
h
a
r
a
c
t
e
r
i
s
t
Table 5.2 General DC Characteristics
CONDITIONS
No pull-up or pull-down
Without Memory Card
AU9540 USB Smart Card Reader V1.6
MIN
TYP
4.75
5.0
3.0
3.3
V
-0.3
DDH
3.0
3.3
1.62
1.8
0
i
c
s
i
c
s
MIN TYP
Pad Limit
Pad Limit
Pad Limit
MAX
5.25
3.6
V
+0.3
DDH
3.6
1.98
85
MAX UNITS
-10
10
±1
-10
10
±1
2.8
2.8
2.8
0.2
UNITS
V
V
V
V
V
O
C
μA
μA
ρF
ρF
ρF
mA