73S1209F Maxim, 73S1209F Datasheet - Page 107
73S1209F
Manufacturer Part Number
73S1209F
Description
The 73S1209F is a self-contained, SoC smart card reader IC that is an ideal solution for serially connected ISO 7816 design
Manufacturer
Maxim
Datasheet
1.73S1209F.pdf
(123 pages)
- Current page: 107 of 123
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3.6 Smart Card Interface Requirements
Rev. 1.2
Symbol
Card Power Supply (V
General conditions, -40°C < T < 85°C, 4.75V < V
V
V
I
I
V
V
V
C
CCmax
CCF
CC
CCrip
SR
SF
rdy
F
Parameter
V
Card supply
output current
I
Vcc slew rate,
rise
Vcc slew rate,
fall
(VCCOK = 1)
External filter
capacitor (V
GND)
CC
including ripple
CC
Card supply
fault current
Vcc ready
and noise
Ripple
Voltage
voltage
CC
CC
) Regulator
to
with peak |I
with peak |I
Active mode; current pulses of 40nAs
Active mode; current pulses of 40nAs
Active mode; current pulses of 40nAs
Active mode; current pulses of 20nAs
with peak |I
Active mode; single pulse of 100mA
Active mode; single pulse of 100mA
C
Active mode; I
with peak |I
Static load current, V
for 2μs; 5 volt, fixed load = 25mA
F
Active mode; I
Fall rate on deactivate, C=1.0μF
for 2μs; 3v, fixed load = 25mA
Static load current, V
should be ceramic with low ESR
Active mode; I
Rise rate on activate C=1.0μF
Active mode; I
f
1.8V operation, Vcc rising
Inactive mode, I
RIPPLE
5V operation, Vcc rising
3V operation, Vcc rising
Class A, B (5V and 3V)
volts as selected
CC
CC
Class C (1.8V)
Inactive mode
CC
= 20kHz – 200MHz
CC
(<100MΩ).
Condition
| <200mA, t <400ns; 5V
| <200mA, t <400ns; 5V
condition
| <200mA,t <400ns; 3V
| <100mA,t <400ns;
CC
1.8V
PC
CC
CC
<65mA; 5v, NDS
CC
< 6.0V, 2.7V < V
< 40mA; 1.8V
< 65mA; 3V
<65mA; 5V
CC
CC
= 1mA
>4.6 or 2.7
CC
>1.65
DD
< 3.6V
0.075
4.65
4.75
2.85
1.68
4.65
1.62
0.06
2.75
1.65
-0.1
-0.1
Min
100
4.6
2.7
4.6
2.7
4.6
60
1
Typ.
0.15
0.15
Max
5.25
5.25
3.15
1.92
5.25
3.15
5.25
5.25
3.15
1.92
0.25
350
180
130
0.1
0.4
0.6
3.3
40
90
107
V/μs
V/μs
Unit
mV
mA
mA
μF
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
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