Rainbow Electronics T89C5121 User 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 CV CC Spikes on CVcc 4.6 5.4 V Maxi. charge 20 nA.s Max. duration 400 ns Max. variation CIcc 100 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 60 110 89 110 mA V CC = 5.4V V CC = 4V V CC = 2.85V CV CC Card Supply 2.76 3.24 V CIcc = 60 mA CV CC Ripple on CVcc 200 mV 0 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 20 109 100 82 mA V CC = 5.4V V CC = 4V V CC = 2.85V CV CC Card Supply 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)
(1)
Current
Voltage
Current
Voltage