Datasheet

DS_8009R_056 73S8009R Data Sheet
Rev. 1.3 9
2.3 Smart Card Interface Requirements
Table 4 lists the 73S8009R Smart Card interface requirements.
Table 4: DC Smart Card Interface Requirements
Symbol Parameter Condition Min Nom Max Unit
Card Power Supply (V
CC
) Regulator
General Conditions: -40 °C < T < 85 °C, 4.75 V < V
PC
< 6.0 V, 2.7 V < V
DD
< 6.0 V
V
CC
Card supply voltage
including ripple and
noise
Inactive mode -0.1 – 0.1 V
Inactive mode I
CC
= 1 mA -0.1 – 0.4
Active mode; I
CC
< 65 mA; 5 V 4.65 – 5.25
Active mode; I
CC
< 65mA; 5 V,
NDS condition
4.75 – 5.25
Active mode; I
CC
< 65 mA; 3 V 2.85 – 3.15
Active mode; I
CC
< 40 mA; 1.8 V 1.68 – 1.92
Active mode; single pulse of
100 mA for 2 µs; 5 V, fixed load
= 25 mA
4.6 – 5.25
Active mode; single pulse of
100 mA for 2 µs; 3 V, fixed load
= 25 mA
2.7 – 3.15
Active mode; current pulses of
40 nAs with peak |I
CC
|
< 200 mA, t < 400 ns; 5 V
4.6 – 5.25
Active mode; current pulses of
40 nAs with peak |I
CC
|
< 200 mA, t <400 ns; 3 V
2.7 – 3.15
Active mode; current pulses of
20 nAs with peak |I
CC
|
< 100 mA, t <400 ns; 1.8 V
1.62 – 1.92
I
CCrip
V
CC
Ripple f
RIPPLE
= 20 kHz – 200 MHz – – 350 mV
I
CCmax
Card supply output
current
Static load current, V
CC
> 1.65 V – – 40 mA
Static load current, VCC > 4.6 V
or 2.7 V as selected
– – 90
I
CCF
I
CC
fault current Class A, B (5 V and 3 V) 100 – 180 mA
Class C (1.8 V) 60 – 130
V
SR
Vcc slew rate, rise rate
on activate
C
F
= 1.0 µF
0.06 0.15 0.25 V/μs
V
SF
Vcc slew rate, fall rate on
de-activate
C
F
= 1.0 µF on V
CC
0.075 0.15 0.6 V/μs
V
RDY
V
CC
ready voltage, V
CC
rising (RDY = 1)
5 V operation 4.6 – – V
3 V operation 2.75 – –
1.8 V operation 1.65 – –
C
F
External filter capacitor
(V
CC
to GND)
C
F
should be ceramic with
low ESR (< 100 mΩ)
ISO 7816-13 application
1.0
µF
EMV 4.1 application
3.3