73S1209F Maxim, 73S1209F Datasheet - Page 108

• Manufacturer Part Number: 73S1209F
• Description: The 73S1209F is a self-contained, SoC smart card reader IC that is an ideal solution for serially connected ISO 7816 design
• Manufacturer: Maxim

108
Interface Requirements – Data Signals: I/O, AUX1 and AUX2.
V
V
V
V
V
I
I
I
I
t
t
R
FD
V
V
V
I
I
CLK
CLK
t
δ
LEAK
IL
SHORTL
SHORTH
R
IR
RST_LIM
CLK_LIM
R
Symbol
OH
OL
IH
IL
INACT
OH
OL
INACT
PU
, t
, t
, t
MAX
F
F
IF
SR3V
SR5V
Output level, high
Output level, low
Output voltage when outside
of session
Output current limit, RST
Output current limit, CLK
CLK slew rate
CLK slew rate
Output rise time, fall time
Duty cycle for CLK
Parameter
Output level, high (I/O,
AUX1, AUX2)
Output level, low (I/O, AUX1,
AUX2)
Input level, high (I/O, AUX1,
AUX2)
Input level, low (I/O, AUX1,
AUX2)
Output voltage when outside
of session
Input leakage
Input current, low (I/O, AUX1,
AUX2)
Short circuit output current
Short circuit output current
Output rise time, fall times
Input rise, fall times
Internal pull-up resistor
Maximum data rate
Reset and Clock for Card Interface, RST, CLK
For output low, shorted
For I/O, AUX1, AUX2,
C
to V
C
C
shorted to ground
L
Output stable for
For output high,
L
L
F
= 200pF for RST,
= 35pF for CLK,
Condition
through 33Ω
= 80pF, 10% to
I
10% to 90%
10% to 90%
CLK
I
CC
OH
I
OH
C
I
I
V
OL
V
V
I
OL
OL
>200ns
OL
L
I
V
I
IH
I
through 33Ω
CC
CC
=200μA
OL
90%.
=-200μA
OL
OH
= -40μA
=35pF,
≤
IL
=1mA
= 1mA
= 1mA
= V
= 3V
= 5V
= 0
= 0
= 0
20MHz
=0
CC
0.9 * V
0.75 V
0.9 * V
0.6 * V
-0.15
Min
0.3
0.5
45
8
0
CC
CC
CC
CC
Typ.
11
V
0.15 *V
0.15 *
0.2 *
V
V
CC
CC
CC
Max
0.65
100
V
100
0.1
0.3
0.1
0.3
Rev. 1.2
10
15
15
14
30
70
55
+0.30
1
1
8
+0.1
+0.1
CC
V
V
CC
CC
CC
MHz
V/ns
V/ns
Unit
mA
mA
mA
mA
kΩ
μA
ns
μs
ns
ns
%
V
V
V
V
V
V
V
V
V
V
V