AT83C5122_08 ATMEL [ATMEL Corporation], AT83C5122_08 Datasheet - Page 187

• Manufacturer Part Number: AT83C5122_08
• Description: C51 Microcontroller with USB and Smart Card Reader Interfaces
• Manufacturer: ATMEL [ATMEL Corporation]

Smart Card Interface
Card VCC 5V (for IEC7816-3 Class A cards)
Card VCC 3V Power Supply (for IEC7816-3 Class B cards)
4202F–SCR–07/2008
Symbol
Vcc
CI
CV
CV
T
T
Symbol
Vcc
CI
CV
CV
T
T
OFF
ON
OFF
ON
CC_ovf
CC_ovf
CC
CC
CC
CC
Parameter
Power Supply
Card Supply Current overflow
Card Supply Voltage
Ripple on Card Voltage
Card Supply Voltage during spike on Icc
CVcc to 0
0 to CVcc
Parameter
Power Supply
Card Supply Current overflow
Card Supply Voltage
Ripple on Vcard
Card Supply Voltage during spike on Icc
CVcc to 0
0 to CVcc
Min
Min
2.76
3.0
4.6
4.5
3.0
2.7
Typ
100
Typ
100
AT83R5122, AT8xC5122/23
Max
3.24
200
750
750
5.5
3.3
Max
200
750
750
5.5
5.4
5.5
Unit
mA
mV
Unit
V
V
V
mA
mV
s
s
V
V
s
s
Test Conditions
V
V
0 < CI
Maxi. charge 10nA.s
Max. duration 400 ns
Max. variation CI
Cload=10μF, Lload=10μH
Vcard = CVcc to 0.4V
Cload=10μF, Lload=10μH
Vcard = 0V to CVcc
With Boost at 60%
Test Conditions
V
V
0 < CIcc < 60 mA
Max. charge 20 nA.s
Max. duration 400 ns
Max. variation CI
Cload=10μF, Lload=10μH
Vcard = CVcc to 0.4V
Cload=10μF, Lload=10μH
Vcard = 0V to CVcc
With Boost at 60%
cc
cc
cc
cc
Min = 3.6V, CI
Min = 3.0V, CI
Min = 4.0V, CI
Min = 3.0V, CI
CC
< 55mA
CC
CC
CC
CC
CC
CC
50mA
= 55mA
= 30 mA
100 mA
= 60 mA
= 30 mA
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