73S8023C Maxim, 73S8023C Datasheet - Page 22

• Manufacturer Part Number: 73S8023C
• Description: The 73S8023C is a single smart card interface IC, compliant to the electrical requirements of ISO 7816-3, EMV 4
• Manufacturer: Maxim

73S8023C Data Sheet
12.5 Digital Signals
22
Reset and Clock for card interface, RST, CLK
Symbol
V
V
V
I
I
t
Td
δ
Symbol
Digital I/O Except for OSC I/O
V
V
V
V
R
t
t
t
t
t
t
|I
RST_LIM
CLK_LIM
R
SL
DZ
IS
SI
ID
DI
IL1
OH
OL
INACT
IL
IH
OL
OH
OUT
, t
|
F
Output level, high
Output level, low
Output voltage when outside
of a session
Output current limit, RST
Output current limit, CLK
Output rise time, fall time
Delay time STROBE to CLK,
RSTIN to RST
Duty cycle for CLK
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Pull-up resistor, OFF
Time from CS going high to
interface active
Time from CS going low to
interface inactive, Hi-Z
Set-up time, control signals
to CS rising edge
Hold time, control signals
from CS rising edge
Set-up time, control signals
to CS fall
Hold time, control signals
from CS fall
Input Leakage Current
Parameter
Parameter
CLKSEL = 1, Cap.
else rise, fall times
RST, 10% to 90%
GND < V
CLK, 10% to 90%
load on CLK and
48% < δ
RST is minimal,
C
C
I
I
OH
I
L
C
are a factor
Condition
I
L
OH
I
OL
Condition
OL
OL
= 200 pF for
L
= 35 pF for
I
= -200 µA
= 200 µA
OL
= -1 mA
= 35 pF,
= 2 mA
= 1 mA
IN
= 0
IN
< 52%
< V
DD
V
DD
0.9 V
Min
-0.3
1.8
50
50
50
50
Min
-5
- 0.45
45
0
CC
Typ
Typ
20
V
DD
Max
Max
0.45
V
100
0.8
0.2
0.1
0.3
30
70
20
55
50
50
DS_8023C_019
8
5
+ 0.3
CC
Rev. 1.5
Unit
Unit
mA
mA
kΩ
μA
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
V
V
V
V
V
V
V
V