DS_1215F_003
73S1215F Data Sheet
3.7 Smart Card Interface Requirements
Symbol Parameter
Condition
Min
Typ.
Max Unit
Card Power Supply (VCC) Regulator
General conditions, -40°C < T < 85°C, 4.75V < VPC < 6.0V, 2.7V < VDD < 3.6V
Inactive mode
-0.1
0.1
0.4
V
V
V
Inactive mode, ICC = 1mA
Active mode; ICC <65mA; 5V
-0.1
4.65
5.25
Active mode; ICC <65mA; 5V, NDS
condition
4.75
5.25
V
Active mode; ICC < 65mA; 3V
Active mode; ICC < 40mA; 1.8V
2.85
1.68
3.15
1.92
V
V
Active mode; single pulse of 100mA for
4.6
2.7
5.25
3.15
5.25
5.25
3.15
1.92
V
V
V
V
V
V
Card supply Voltage
including ripple and
noise
2μs; 5 volt, fixed load = 25mA
VCC
Active mode; single pulse of 100mA for
2μs; 3v, fixed load = 25mA
Active mode; current pulses of 40nAs
with peak |ICC | <200mA, t <400ns; 5V
4.6
Active mode; current pulses of 40nAs
with peak |ICC | <200mA, t <400ns; 5V
4.65
2.7
Active mode; current pulses of 40nAs
with peak |ICC | <200mA,t <400ns; 3V
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
90
Class A, B (5V and 3V)
Class C (1.8V)
100
60
180
130
ICCF
VSR
ICC fault current
mA
Vcc slew rate, rise
Rise rate on activate C=1.0μF
V/μ
s
0.06
0.15
0.15
0.25
0.6
Vcc slew rate, fall
Fall rate on deactivate, C=1.0μF
V/μ
s
VSF
0.075
5V operation, Vcc rising
3V operation, Vcc rising
1.8V operation, Vcc rising
4.6
V
V
V
Vcc ready voltage
(VCCOK = 1)
Vrdy
2.75
1.65
External filter
capacitor (VCC to
GND)
CF should be ceramic with low ESR
CF
1
3.3
μF
(<100MΩ).
Rev. 1.4
117
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
