73S1215F Maxim, 73S1215F Datasheet - Page 117

• Manufacturer Part Number: 73S1215F
• Description: The Teridian 73S1215F is a self-contained SoC smart card reader IC that is an ideal solution for any USB-connected ISO 7816 design
• Manufacturer: Maxim

3.7 Smart Card Interface Requirements
Rev. 1.4
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
Vcc ready voltage
(VCCOK = 1)
External filter
capacitor (V
GND)
Card supply Voltage
including ripple and
CC
CC
fault current
Ripple
noise
CC
CC
to
) Regulator
Active mode; single pulse of 100mA for
Active mode; single pulse of 100mA for
with peak |I
Static load current, V
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
C
Active mode; I
F
Active mode; I
Fall rate on deactivate, C=1.0μF
Static load current, V
2μs; 5 volt, fixed load = 25mA
should be ceramic with low ESR
Active mode; I
Rise rate on activate C=1.0μF
Active mode; I
f
2μs; 3v, fixed load = 25mA
RIPPLE
1.8V operation, Vcc rising
Inactive mode, I
5V operation, Vcc rising
3V operation, Vcc rising
Class A, B (5V and 3V)
CC
CC
CC
Class C (1.8V)
CC
Inactive mode
= 20kHz – 200MHz
as selected
| <100mA,t <400ns; 1.8V
(<100MΩ).
Condition
| <200mA, t <400ns; 5V
| <200mA, t <400ns; 5V
condition
| <200mA,t <400ns; 3V
PC
CC
< 6.0V, 2.7V < V
CC
<65mA; 5V, NDS
CC
CC
CC
< 40mA; 1.8V
< 65mA; 3V
<65mA; 5V
CC
>4.6 or 2.7 volts
= 1mA
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
Min
-0.1
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
117
Unit
mV
mA
mA
V/μ
V/μ
μF
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
s
s