Datasheet
DS_8009C_025 73S8009C Data Sheet
Rev. 1.5 11
2.2 Recommended Operating Conditions
Function operation should be restricted to the recommended operating conditions specified in Table 3.
Table 3: Recommended Operating Conditions
Parameter Rating
Supply voltage V
PC
2.7 to 6.5 VDC
Supply Voltage V
BUS
4.4 to 5.5 VDC
Supply Voltage V
BAT
4.0 to 6.5 VDC
Ambient operating temperature -40 °C to +85 °C
2.3 Smart Card Interface Requirements
Table 4 lists the 73S8009C 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: -40C < 85C, 2.7 V < V
PC
< 6.6 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 V
Active mode; I
CC
<65 mA; 5 V 4.65
–
5.25 V
Active mode; I
CC
< 65 mA; 3 V 2.85
–
3.15 V
Active mode; I
CC
< 40 mA; 1.8 V 1.68
–
1.92 V
Active mode; single pulse of
100 mA for 2 µs; 5 V, fixed load
= 25 mA
4.6
–
5.25
V
Active mode; single pulse of
100 mA for 2 µs; 3 V, fixed load
= 25 mA
2.76
–
3.15 V
Active mode; current pulses of
40nAs with peak |I
CC
| <200
mA, t <400 ns; 5 V
4.6
–
5.25 V
Active mode; current pulses of
40nAs with peak |I
CC
| <200
mA, t <400 ns; 3 V
2.7
–
3.15 V
Active mode; current pulses of
20nAs with peak |I
CC
| <100
mA, t <400 ns; 1.8 V
1.62
–
1.92 V
V
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
–
40 mA
Static load current, V
CC
>4.6 or
2.7 volts as selected
–
65 mA
I
CCF
I
CC
fault current Class A, B (5 V and 3 V) 75
–
150 mA
Class C (1.8 V) 55
–
130 mA
I
SC
Maximum current prior to
shut-down
Load current limit prior to Vcc
shut-down
80 – 150 mA
Load current limit prior to Vcc
shut-down for Vcc=1.8 V
60 – 130 mA
V
S
Vcc slew rate, rise and
fall
C = 0.5 µF
0.10 0.30 0.70 V/μs