AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 190

• Manufacturer Part Number: AT89C5122
• Description: MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES
• Manufacturer: ATMEL [ATMEL Corporation]

Card VCC 1.8V Power Supply (for IEC7816-3 Class C cards)
Notes:
Smart Card CCLK, DC parameters
Notes:
Smart Card CIO, DC Parameters
190
Symbol
Vcc
CI
CV
T
T
Symbol
V
I
V
I
V
Symbol
V
I
V
I
t
OL
OH
R
IL
IH
OFF
ON
OL
OH
IL
IH
OL
CC_ovf
t
CC
F
1. Test conditions, Capacitor 10 µF, Inductance 10 µH.
2. Ceramic X7R, SMD type capacitor with minimum ESR or 250 mΩ is mandatory
1. The voltage on CLK should remain between -0.3V and
AT8xC5122/23
Parameter
Power Supply
Card Supply Current overflow
Card Supply Voltage
CVcc to 0
0 to CVcc
Parameter
Input Low Voltage
Input Low Current
Input High Voltage
Input High Current
Output Low Voltage
Parameter
Output Low Voltage
Output Low Current
Output High Voltage
Output High Current
Rise and Fall delays
Voltage Stability
Frequency variation
Cycle ratio
0.7 CV
CV
0.7 CV
0.7 CV
0.7 CV
CV
Min
Min
1.68
3.6
-0.25
0
0
0
Min
CC
45%
0
0
CC
(1)
(1)
(1)
(1)
(1)
- 0.5
-0.5
CC
CC
CC
CC
V
CC
+0.3V during dynamic operation.
Typ
Typ
100
Typ
0.15 CV
CV
-20 / +20
0.4 CV
0.2xV
CV
Max
CC
500
Max
CV
CV
CV
CV
0.5
0.4
0.4
0.3
Max
22.5
55%
1.92
750
750
1%
5.5
0.4
15
15
16
50
CC
+ 0.25
CC
CC
CC
CC
CC
CC
CC
Unit
Unit
Unit
µA
µA
mA
V
V
V
mA
mA
µs
µs
ns
V
V
V
V
V
V
V
V
Test Conditions
CI
Cload=10µF, Lload=10µH
Vcard = CVcc to 0.4V
Cload=10µF, Lload=10µH
Vcard = 0V to CVcc
With Boost at 60%
Test Conditions
I
I
I
I
I
I
IL
IL
IH
OL
OL
OL
Test Conditions
I
I
I
I
I
I
C
C
C
Low level
High level
CC
OL
OL
OH
OH
OH
OH
= 500 µA
= 20 µA
IN
IN
IN
= -20 µA
= 1mA (5V)
= 1mA (3V)
= 1mA (1.8V)
= 50 µA (5V)
=30pF (5V)
=30pF (3V)
=30pF (1.8V)
= 30 mA
= 20 µΑ (1.8V, 3V)
= 20 µA (1.8V)
= 20 µA (3V)
= 20 µA (5V)
= 50 µA (5V)
4202D–SCR–06/05