Rainbow Electronics AT89C5122 - Manual (Page 190)

190
AT8xC5122/23
4202E–SCR–06/06
Notes: 1. Test conditions, Capacitor 10 µF, Inductance 10 µH.
2. Ceramic X7R, SMD type capacitor with minimum ESR or 250 m
Ω is mandatory
Notes: 1. The voltage on CLK should remain between -0.3V and V
CC
+0.3V during dynamic operation.
Card VCC 1.8V Power Supply (for IEC7816-3 Class C cards)
Symbol Parameter Min Typ Max Unit Test Conditions
Vcc Power Supply 3.0 5.5 V
CI
CC_ovf
Card Supply Current overflow 100 mA
CV
CC
Card Supply Voltage 1.68 1.92 V CI
CC
= 35 mA
T
OFF
CVcc to 0 750 μ s
Cload=10µF, Lload=10µH
Vcard = CVcc to 0.4V
T
ON
0 to CVcc 750 μ s
Cload=10µF, Lload=10µH
Vcard = 0V to CVcc
With Boost at 60%
Smart Card CCLK, DC parameters
Symbol Parameter Min Typ Max Unit Test Conditions
V
OL
Output Low Voltage 0 (1)
0.4
0.15 CV
CC
0.15 CV
CC
V
I
OH
= 50 μ A (5V until 2009)
I
OH
= 100 μ A (5V from 2009)
I
OH
= 100 μ A (3V & 1.8V)
I
OL
Output Low Current 15 mA
V
OH
Output High Voltage
CV
CC
-0,5
0.8 CV
CC
0.8 CV
CC
CV
CC
V
I
OH
= 50 μ A (+5V until 2009)
I
OH
= 100 μ A (+5V from 2009)
I
OH
= 100 μ A (+3V & 1.8V)
I
OH
Output High Current 15 mA
t
R
t
F
Rise and Fall delays
1 4.5
15.5
32
ns
C
IN
=30pF (5V)
C
IN
=30pF (3V)
C
IN
=30pF (1.8V)
Voltage Stability -0.25
CV
CC
-0.5
0.4 CV
CC
CV
CC
+ 0.25
V
Low level
High level
Frequency variation (Jitter) 1 %
Cycle ratio 45% 55%
Smart Card CIO, DC Parameters
Symbol Parameter Min Typ Max Unit Test Conditions
V
IL
Input Low Voltage 0 (1) 0.2 CV
CC
V
I
IL
Input Low Current 500 μ A
V
IH
Input High Voltage 0.6 CV
CC
CV
CC
V
I
IH
Input High Current -20 / +20 μ A
V
OL
Output Low Voltage 0 (1) 0.15 CV
CC
V
I
OL
= 1mA (5V & 3V))
I
OL
= 0.5 mA (1.8V)
External 10K pull-up tied to
CV
CC