Rainbow Electronics AT83C26 - Manual (Page 68)

68
7511B–SCR–10/05
AT83C26
T
VLH
CVCC 0 to valid 200 2000
μ
s C
L
= 2.2
μ
F
Table 53. Smart Card 2 Class A, 5V (CVCC2) (Continued)
Symbol Parameter Min Typ Max Unit Test Conditions
Table 54. Smart Card 2 Class B, 3V (CVCC2)
Symbol Parameter Min Typ Max Unit Test Conditions
CVCC Smart card voltage 2.76 3 3.24 V Load = 60mA
CI
CC
_ovf
Card Supply Current Overflow:
ICCADJB = 0 (reset value)
70 120 200 mA
Ripple on CVCC 30 200 mV
Spikes on CVCC V
Vcardok up Vcardok high level threshold 3 V
Vcardok
down
Vcardok low level threshold 2.8 V
T
VHL
CVCC valid to 0.4V 100 500
μ
s C
L
=2.2
μ
F
T
VLH
CVCC 0 to valid 100 1000
μ
s C
L
= 2.2
μ
F
Table 55. Smart Card 2 Class C, 1.8V (CVCC2)
Symbol Parameter Min Typ Max Unit Test Conditions
CVCC Smart card voltage 1.656 1.8 1.944 V Load = 35mA
CI
CC
_ovf
Card Supply Current Overflow:
ICCADJB = 0 (reset value)
70 120 200 mA
Ripple on CVCC 30 200 mV
Spikes on CVCC V
Vcardok up Vcardok high level threshold 1.8 V
Vcardok
down
Vcardok low level threshold 1.69 V
T
VHL
CVCC valid to 0.4V 70 500
μ
s C
L
=2.2
μ
F
T
VLH
CVCC 0 to valid 80 1000
μ
s C
L
= 2.2
μ
F
Table 56. Smart Card 3, 4, 5 Class A, 5V (CVCC3, CVCC4, CVCC5)
Symbol Parameter Min Typ Max Unit Test Conditions
CVCC Smart card voltage 4.6 5 5.4 V Load = 30mA
CI
CC
_ovf
Card Supply Current Overflow:
ICCADJB = 0 (reset value)
70 120 200 mA