DS8024_V3 Datasheet, PDF (4/15 Pages) Maxim Integrated Products – Smart Card Interface

Smart Card Interface
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
DATA LINES (I/O AND I/OIN)
I/O  I/OIN Falling Edge Delay
Pullup Pulse Active Time
Maximum Frequency
Input Capacitance
I/O, AUX1, AUX2 PINS
t_D(IO-IOIN)
t_PU
f_IOMAX
C_I
(Note 3)
(Note 3)
(Note 3)
Card-Inactive Mode
Output Low Voltage
Output Current
Internal Pullup
Resistor
V_{OL_IO1}
I_{OL_IO1}
R_{PU_IO}
I_{OL_IO} = 1mA
V_{OL_IO} = 0V
To V_CC
Output Low Voltage V_{OL_IO2} I_{OL_IO} = 1mA
Output High
Voltage
V_{OH_IO2} I_{OH_IO} = < -40μA (3V/5V)
Card-Active Mode
Output Rise/Fall
Time
Input Low Voltage
Input High Voltage
Input Low Current
Input High Current
Input Rise/Fall Time
Current Limitation
Current When
Pullup Active
t_OT
V_{IL_IO}
V_{IH_IO}
I_{IL_IO}
I_{IH_IO}
t_IT
I_IO(LIMIT)
I_PU
C_L = 30pF (Note 3)
V_{IL_IO} = 0V
V_{IH_IO} = V_CC
(Note 3)
C_L = 30pF
C_L = 80pF, V_OH = 0.9 x V_DD
(Note 3)
I/OIN, AUX1IN, AUX2IN PINS
Output Low Voltage
V_OL
I_OL = 1mA
Output High Voltage
V_OH
I_OH < -40μA
Output Rise/Fall Time
t_OT
C_L = 30pF, 10% to 90% (Note 3)
Input Low Voltage
V_IL
Input High Voltage
Input Low Current
Input High Current
Input Rise/Fall Time
Integrated Pullup Resistor
Current When Pullup Active
V_IH
I_{IL_IO}
I_{IH_IO}
t_IT
R_PU
I_PU
V_IL = 0V
V_IH = V_DD
V_IL to V_IH (Note 3)
Pullup to V_DD
C_L = 30pF, V_OH = 0.9 x V_DD
(Note 3)
MIN TYP MAX UNITS
200
ns
100
ns
1
MHz
10
pF
0
0.3
V
0
-1
mA
9
11
19
k

0
0.3
V
0.75 x V_CC
V_CC
V
0.1
μs
-0.3
+0.8
V
1.5
V_CC
700
μA
20
μA
1.2
μs
-15
+15 mA
-1
mA
0
0.3
V
0.75 x
V_DD
V_DD +
V
0.1
0.1
μs
0.3 x
-0.3
V_DD
V
0.7 x
V_DD
V_DD +
0.3
V
600
μA
10
μA
1.2
μs
9
11
13
k

-1
mA
4