73S1210F Maxim, 73S1210F Datasheet - Page 111

• Manufacturer Part Number: 73S1210F
• Description: The 73S1210F is a versatile and economical CMOS system-on-chip (SoC) device intended for smart card reader applications
• Manufacturer: Maxim

3.8 Current Fault Detection Circuits
DS_1210F_001
*Note: Recommend on 0.1µF for each V
Rev. 1.4
I
I
I
I
I
VBUS
VBUS
External Capacitor Values
C
C
C
C
DD_IN
DD_OUT
VBUS
VBAT
VPC
Symbol
IV
I
I
I
DDmax
CCF
CCF1P8
VPC
VP
VDD
VCC
Pmax
*
ON
IDIS
Supply Current – pins 28 + 40
(internal consumption – digital
core)
Supply Current – pin 68
(available to external circuitry)
Supply Current from V
Supply Current from V
V
V
V
External filter capacitor for V
External filter capacitor for V
External filter capacitors for V
External filter capacitor for V
Parameter
V
VDD over-current limit
Card overcurrent fault
Card overcurrent fault
PC
BUS
BUS
P
over current fault
detection threshold
discharge current
BUS
BAT
PC
P
CC
DD
DD
or
pin.
C
CPU clock @ 3.69MHz
CPU clock @ 24MHz
CPU clock @ 12MHz
VCC
CPU clock @ 6MHz
V
Power down (25°C)
CC
(-40° to 85°C)
with low ESR
should be ceramic
Power down
Circuit OFF
V
off, I
Condition
(<100MΩ).
Circuit ON
CC
20µA
= 1.8V
DDINTERNAL
<
Min
8.0
2.0
0.2
0.2
40
80
60
73S1210F Data Sheet
15.5
13.5
0.01
10.0
0.47
Typ.
0.2
3.5
4.7
29
21
50
8
6
33.5
15.5
12.0
10.0
Max
150
100
150
130
0.4
1.0
1.0
24
18
50
15
20
1
111
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
µA
µA
µA
μA
µF
µF
µF
µF
V