DS8113
Smart Card Interface
4 _______________________________________________________________________________________
RECOMMENDED DC OPERATING CONDITIONS (continued)
(V
DD
= +3.3V, V
DDA
= +5.0V, T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
65mA < I
CC(5V)
< 80mA 4.55 5.00 5.25
I
CC(5V)
< 65mA 4.75 5.00 5.25
I
CC(3V)
< 65mA 2.78 3.00 3.22
I
CC(1.8V)
< 30mA 1.65 1.80 1.95
5V card; current pulses of 40nC
with I < 200mA, t < 400ns,
f < 20MHz
4.6 5.4
3V card; current pulses of 24nC
with I < 200mA, t < 400ns,
f < 20MHz
2.75 3.25
Output Low Voltage V
CC2
1.8V card; current pulses of 12nC
with I < 200mA, t < 400ns,
f < 20MHz
1.62 1.98
V
V
CC(5V)
= 0 to 5V -80
V
CC(3V)
= 0 to 3V -65
Output Current I
CC2
V
CC(1.8V)
= 0 to 1.8V -30
mA
Shutdown Current
Threshold
I
CC(SD)
120 mA
Card-Active Mode
Slew Rate V
CCSR
Up/down; C < 300nF (Note 5) 0.05 0.16 0.25 V/μs
DATA LINES (I/O AND I/OIN)
I/O I/OIN Falling Edge Delay t
D(IO-IOIN)
200 ns
Pullup Pulse Active Time t
PU
100 ns
Maximum Frequency f
IOMAX
1 MHz
Input Capacitance C
I
10 pF
I/O, AUX1, AUX2 PINS
Output Low Voltage V
OL_IO1
I
OL_IO
= 1mA 0 0.3 V
Output Current I
OL_IO1
V
OL_IO
= 0V 0 -1 mA
Card-Inactive Mode
Internal Pullup
Resistor
R
PU_IO
To V
CC
9 11 19 k
Output Low Voltage V
OL_IO2
I
OL_IO
= 1mA 0 0.3 V
I
OH_IO
= < -20μA 0.8 x V
CC
V
CCOutput High
Voltage
V
OH_IO2
I
OH_IO
= < -40μA (3V/5V) 0.75 x V
CC
V
CC
V
Output Rise/Fall
Time
t
OT
C
L
= 30pF 0.1 μs
Input Low Voltage V
IL_IO
-0.3 +0.8
Input High Voltage V
IH_IO
1.5 V
CC
V
Input Low Current I
IL_IO
V
IL_IO
= 0V 600 μA
Input High Current I
IH_IO
V
IH_IO
= V
CC
20 μA
Input Rise/Fall Time t
IT
1.2 μs
Current Limitation I
IO(LIMIT)
C
L
= 30pF -15 +15 mA
Card-Active Mode
Current When
Pullup Active
I
PU
C
L
= 80pF, V
OH
= 0.9 x V
DD
-1 mA
