Rainbow Electronics T89C5121 - Manual (Page 101)

101
A/T8xC5121
4164G–SCR–07/06
Table 75. Smart Card 5V Interface DC Parameters
Note: 1. Capacitor = 10 µF, X7R type. Maximum ESR value is 250 mohm, Inductor = 4.7 µH.
Table 76. Smart Card 3V Interface DC Parameters
Note: 1. Capacitor = 10 µF, X7R type. Maximum ESR value is 250 mohm, Inductor = 4.7 µH.
Table 77. Smart Card 1.8V Interface DC Parameters
Note: 1. Capacitor = 10 µF, X7R type. Maximum ESR value is 250 mohm, Inductor = 4.7 µH.
Symbol Parameter Min Typ Max Unit Test Conditions
CI
CC
Card Supply
Current
60
121
105
102
mA
V
CC
= 5.4V
V
CC
= 4V
V
CC
= 2.85V
CV
CC
Card Supply
Voltage
4.6 5.4 V CIcc = 60 mA
CV
CC
Ripple on CVcc 200 mV 0<CIcc<60 mA
CV
CC
Spikes on CVcc 4.6 5.4 V
Maxi. charge 20 nA.s
Max. duration 400 ns
Max. variation CIcc 100 mA
(1)
T
VHLl
CVcc to 0 750 μ s
CIcc = 0
CVcc = 5V to 0.4V (1)
Symbol Parameter Min Typ Max Unit Test Conditions
CI
CC
Card Supply
Current
60
110
89
110
mA
V
CC
= 5.4V
V
CC
= 4V
V
CC
= 2.85V
CV
CC
Card Supply
Voltage
2.76 3.24 V CIcc = 60 mA
CV
CC
Ripple on CVcc 200 mV 0<CIcc<60 mA
CV
CC
Spikes on CVcc 2.76 3.24 V
Max. charge 10 ns
Max. duration 400 ns
Max. variation CIcc 50 mA
T
VHLl
CVcc to 0 750 μ s
CIcc = 0
CVcc = 5V to 0.4V (1)
Symbol Parameter Min Typ Max Unit Test Conditions
CI
CC
Card Supply
Current
20
109
100
82
mA
V
CC
= 5.4V
V
CC
= 4V
V
CC
= 2.85V
CV
CC
Card Supply
Voltage
1.68 1.92 V CIcc = 20 mA
CV
CC
Spikes on CVcc 1.68 1.92 V
T
VHLl
CVcc to 0 750 μ s
CIcc = 0
CVcc = 5V to 0.4V (1)