73S8009CN Data Sheet
DS_8009CN_026
2.3 Smart Card Interface Requirements
Table 4 lists the 73S8009CN Smart Card interface requirements.
Table 4: DC Smart Card Interface Requirements
Symbol Parameter
Condition
Min
Nom
Max Unit
Card Power Supply (VCC) Regulator
General Conditions: -40C < 85C, 2.7 V < VPC < 6.5 V
–
–
–
–
–
–
Inactive mode
-0.1
-0.1
4.65
2.85
1.68
4.6
0.1
0.4
V
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
5.25
3.15
1.92
5.25
Active mode; single pulse of
100mA for 2µs; 5 volt, fixed
load = 25mA
–
–
–
–
Active mode; single pulse of
100mA for 2µs; 3V, fixed load
= 25mA
2.76
4.6
3.15
5.25
3.15
1.92
V
V
V
V
Card supply voltage
including ripple and noise
VCC
Active mode; current pulses of
40nAs with peak |ICC
|
<200mA, t <400ns; 5V
Active mode; current pulses of
2.7
40nAs with peak |ICC
|
<200mA, t <400ns; 3V
Active mode; current pulses of
1.62
20nAs with peak |ICC
|
<100mA, t <400ns; 1.8V
fRIPPLE = 20KHz – 200MHz
Static load current, VCC>1.65
–
–
–
VCCrip
ICCmax
VCC ripple
350
40
mV
mA
mA
Card supply output
current
Static load current, VCC>4.6 or
2.7 volts as selected
65
–
–
ICCF
ICC fault current
Class A, B (5V and 3V)
Class C (1.8V)
C = 0.5µF
75
55
150
130
mA
mA
VS
Vcc slew rate, rise and
fall
0.10
0.30
0.70 V/μs
–
–
–
–
–
–
Vrdy
Vcc ready voltage (RDY
= 1)
5V operation, Vcc rising
3V operation, Vcc rising
1.8V operation, Vcc rising
VCC = 5V
4.6
2.75
1.65
–
V
V
V
V
–
VCCF
RDY = 0
4.6
(VCC voltage supervisor
threshold)
CVPC
Cvp
External filter cap for VPC
External filter cap for VP
8.0
2.0
0.2
10.0
4.7
12.0
6.8
µF
µF
µF
CF should be ceramic with low
ESR (<100mΩ).
External filter capacitor
(VCC to GND)
0.47
1.0
CF
CVDD
VDD filter capacitor
0.2
–
1.0
µF
10
Rev. 1.4
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
