DS_1217F_002
73S1217F Data Sheet
3.7 Smart Card Interface Requirements
Symbol
Card Power Supply (VCC) Regulator
General conditions, -40°C < T < 85°C, 4.75V < VPC < 6.0V, 2.7V < VDD < 3.6V
Parameter
Condition
Min
Typ.
Max
Unit
Inactive mode
-0.1
0.1
V
Inactive mode, ICC = 1mA
Active mode; ICC <65mA; 5V
Active mode; ICC < 65mA; 3V
Active mode; ICC < 40mA; 1.8V
-0.1
4.65
2.85
1.68
0.4
V
V
V
V
5.25
3.15
1.92
Active mode; single pulse of
100mA for 2μs; 5 volt, fixed load
= 25mA
4.6
2.76
4.6
5.25
3.15
5.25
3.15
1.92
V
V
V
V
V
Card supply Voltage
including ripple and
noise
Active mode; single pulse of
100mA for 2μs; 3V, fixed load =
25mA
VCC
Active mode; current pulses of
40nAs with peak |ICC | <200mA, t
<400ns; 5V
Active mode; current pulses of
40nAs with peak |ICC | <200mA,t
<400ns; 3V
2.7
Active mode; current pulses of
20nAs with peak |ICC | <100mA,t
<400ns; 1.8V
1.62
VCCrip
ICCmax
VCC Ripple
fRIPPLE = 20kHz – 200MHz
350
40
mV
mA
Static load current, VCC>1.65
Card supply output
current
Static load current, VCC>4.6 or 2.7
volts as selected
65
mA
mA
Class A, B (5V and 3V)
Class C (1.8V)
100
60
180
130
ICCF
ICC fault current
VSR
VSF
Vcc slew rate, rise
Vcc slew rate, fall
0.12
0.15
4.6
.30
.30
0.50
1.20
Rise rate on activate C = 0.47μF
Fall rate on deactivate, C = 0.47μF
5V operation, Vcc rising
3V operation, Vcc rising
1.8V operation, Vcc rising
V/μs
V/μs
V
Vcc ready voltage
(VCCOK = 1)
Vrdy
2.75
1.65
V
V
Rev. 1.2
121