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DS8023 Datasheet, PDF (3/17 Pages) Maxim Integrated Products – Smart Card Interface
DS8023
Smart Card Interface
RECOMMENDED DC OPERATING CONDITIONS (continued)
(VDD = +3.3V, VDDA = +5.0V, TA = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
SHUTDOWN TEMPERATURE
Shutdown Temperature
RST PIN
Output Low Voltage
Card-Inactive Mode
Output Current
Output Low Voltage
TSD
VOL_RST1
IOL_RST1
VOL_RST2
IOL_RST = 1mA
VO_LRST = 0V
IOL_RST = 200μA
Output High
Voltage
VOH_RST2 IOH_RST = -200μA
Card-Active Mode
Rise Time
Fall Time
tR_RST
tF_RST
CL = 30pF
CL = 30pF
Shutdown Current
Threshold
IRST(SD)
CLK PIN
Current Limitation
IRST(LIMIT)
RSTIN to RST Delay tD(RSTIN-RST)
Card-Inactive Mode
Output Low Voltage
Output Current
Output Low Voltage
VOL_CLK1
IOL_CLK1
VOL_CLK2
IOLCLK = 1mA
VOLCLK = 0V
IOLCLK = 200μA
Output High
Voltage
VOH_CLK2 IOHCLK = -200μA
Card-Active Mode
VCC PIN
Card-Inactive Mode
Rise Time
Fall Time
Current Limitation
Clock Frequency
Duty Factor
Slew Rate
Output Low Voltage
Output Current
Card-Active Mode Output Low Voltage
tR_CLK
tF_CLK
ICLK(LIMIT)
fCLK

SR
VCC1
ICC1
VCC2
CL = 30pF (Note 4)
CL = 30pF (Note 4)
Operational
CL = 30pF
CL = 30pF
ICC = 1mA
VCC = 0V
ICC(5V) < 80mA
ICC(3V) < 65mA
ICC(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
Maxim Integrated
MIN TYP MAX UNITS
+150
°C
0
0
0
VCC -
0.5
0.3
V
-1
mA
0.3
V
VCC
V
0.1
μs
0.1
μs
-20
mA
-20
+20 mA
2
μs
0
0
0
VCC -
0.5
-70
0
45
0.2
0.3
V
-1
mA
0.3
V
VCC
V
8
ns
8
ns
+70 mA
10 MHz
55
%
V/ns
0
0.3
V
0
-1
mA
4.75 5.00 5.25
2.78 3.00 3.22
1.65 1.8 1.95
4.6
5.4
V
2.75
3.25
1.62
1.98
3