73S8004R
Low Cost Smart Card Interface
SYMBOL
PARAMETER
Condition
MIN
Typ.
MAX
UNIT
Reset and Clock for card interface, RST, CLK
VOH
VOL
Output level, high
0.9 VCC
0
VCC
0.3
0.1
0.3
30
V
V
I
OH =-200µA
IOL=200µA
IOL = 0
Output level, low
Output voltage when outside of
session
Output current limit, RST
Output current limit, CLK
V
VINACT
I
OL = 1mA
V
IRST_LIM
ICLK_LIM
mA
mA
70
CL = 35pF for
CLK, 10% to 90%
CL = 200pF for
RST, 10% to
90%
8
ns
tR, tF
Output rise time, fall time
100
ns
Duty cycle for CLK,
for f=fXTAL/2 < 20MHz and
VCC = 5V
CL =35pF
45
55
%
δ
DC CHARACTERISTICS: DIGITAL SIGNALS
SYMBOL PARAMETER
Condition
MIN
Typ.
MAX
UNIT
Digital I/O except for OSC I/O
VIL
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
-0.3
1.8
0.8
VDD + 0.3
0.45
V
V
V
V
kΩ
µA
VIH
VOL
VOH
IOL = 2mA
IOH = -1mA
VDD - 0.45
ROUT
|IIL1|
Pull-up resistor, OFF
22
Input Leakage Current
GND < VIN < VDD
5
Oscillator (XTALIN) I/O Parameters
VILXTAL
Input Low Voltage - XTALIN
Input High Voltage - XTALIN
Input Current -
-0.3
1.8
0.8
V
V
VIHXTAL
VDD+0.3
IILXTAL
GND < VIN < VDD
-30
30
µA
XTALIN
DC CHARACTERISTICS
SYMBOL
PARAMETER
Condition
MIN
Typ.
MAX
UNIT
IDD
Supply Current
2.5
5.0
mA
VCC on, ICC=0
I/O, AUX1,
IPC
Supply Current
0.45
0.65
mA
AUX2=high,
Clock not toggling
Page 15
Rev 1.1
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TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
