DS8005 Datasheet, PDF (4/20 Pages) Maxim Integrated Products – Smart Card Intergace

Smart Card Interface
RECOMMENDED DC OPERATING CONDITIONS (continued)
(V_DD = +3.3V, V_DDA = +5.0V, T_A = +25°C, unless otherwise noted. All specifications apply to the device, unless otherwise noted in
the CONDITIONS column.) (Note 1)
PARAMETER
Output Low Voltage
Card-Active Mode
Output Current
Shutdown Current
Threshold
Slew Rate
DATA LINES (I/O_ AND I/OIN)
I/O_  I/OIN Falling Edge Delay
Pullup Pulse Active Time
Maximum Frequency
Input Capacitance
I/OA AND I/OB PINS
Card-Inactive Mode
Output Low Voltage
Output Current
Internal Pullup
Resistor
Output Low Voltage
Output High
Voltage
Card-Active Mode _{Output Rise/Fall}
Time
Input Low Voltage
Input High Voltage
SYMBOL
V_CC2
I_CC2
I_CC(SD)
V_CCSR
t_D(IO-IOIN)
t_PU
f_IOMAX
C_I
V_{OL_IO1}
I_{OL_IO1}
R_{PU_IO}
V_{OL_IO2}
V_{OH_IO2}
t_OT
V_{IL_IO}
V_{IH_IO}
CONDITIONS
Device: I_CC(5V) < 30mA,
V_DDA = 4.75V (Note 1)
Device: I_CC(5V) < 80mA
Device: I_CC(3V) < 65mA
Device: I_CC(1.8V) < 30mA
5V card; current pulses of 40nC
with I < 200mA, t < 400ns,
f < 20MHz
3V card; current pulses of 24nC
with I < 200mA, t < 400ns,
f < 20MHz
1.8V card; current pulses of 12nC
with I < 200mA, t < 400ns,
f < 20MHz
V_CC(5V) = 0 to 5V
V_CC(3V) = 0 to 3V
V_CC(1.8V) = 0 to 1.8V
(Note 1)
Up/down; C < 300nF (Note 5)
(Note 1)
(Note 1)
I_{OL_IO} = 1mA
V_{OL_IO} = 0V
To V_CC
I_{OL_IO} = 1mA
I_{OH_IO} = < -20μA
I_{OH_IO} = < -40μA (3V/5V)
C_L = 30pF (Note 1)
MIN
4.65
4.75
2.78
1.64
TYP
5
5
3
1.8
4.6
2.75
1.62
0.05
120
0.16
0
6
11
0.8 x V_CC
0.75 x V_CC
-0.3
1.5
MAX UNITS
5.25
5.25
3.24
1.98
5.4
V
3.25
1.98
-80
-65 mA
-30
mA
0.22 V/μs
200
ns
100
ns
1
MHz
10
pF
0.3
V
-1
mA
19
k

0.3
V
V
0.1
μs
+0.8
V
V_CC
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