DS_8014RT_015
73S8014RT Data Sheet
2.4 Smart Card Interface Requirements
Table 5 lists the 73S8014RT Smart Card interface requirements.
Table 5: DC Smart Card Interface Requirements
Condition Min
Symbol
Parameter
Nom
Max
Unit
Card Power Supply (VCC) Regulator
General conditions, -40°C < T < 85°C, 4.75V < VPC < 5.5V, 2.7V < VDD < 5.5V
Inactive mode
-0.1
0.1
0.4
V
V
V
V
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
5.25
3.15
1.92
Active mode; single pulse of 100mA for
4.6
5.25
3.2
V
V
2μs; 5V, fixed load = 25mA
Card supply voltage
including ripple and
noise
Active mode; single pulse of 100mA for
2.76
VCC
2μs; 3V, fixed load = 25mA
Active mode; current pulses of 40nAs
with peak |ICC | <200mA,
4.6
5.25
3.15
V
V
V
t <400ns; 5V
Active mode; current pulses of 40nAs
with peak |ICC | <200mA,
2.76
1.62
t <400ns; 3V
Active mode; current pulses of 20nAs
with peak |ICC | <100mA,
1.92
350
t <400ns; 1.8V (1)
VCCrip
VCC Ripple
fRIPPLE = 20K – 200MHz
mV
mA
Static load current, VCC>4.6 or 2.7 volts
as selected
65
Card supply output
current
ICCmax
Static load current, VCC>1.62
40
70
mA
mA
ICCF
VSR
VSF
ICC fault current
130
0.30
0.60
VCC slew rate, rise
VCC slew rate, fall
0.06
0.075
0.150
0.150
CF = 1.0μF on VCC
CF = 1.0μF on VCC
V/μs
V/μs
CF should be ceramic with low ESR
(<100mΩ).
External filter cap
(VCC to GND)
CF
0.5
1.0
1.5
μF
Rev. 1.0
9