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AT89C5122D-RDRUM Datenblatt(PDF) 187 Page - ATMEL Corporation

Teilenummer AT89C5122D-RDRUM
Bauteilbeschribung  C51 Microcontroller with USB and Smart Card Reader Interfaces
PDF  208 Pages
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Hersteller  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89C5122D-RDRUM Datenblatt(HTML) 187 Page - ATMEL Corporation

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



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