Rainbow-electronics AT83C26 Bedienungsanleitung PDF herunterladen (Seite 68)

7511B–SCR–10/05

AT83C26

VLH

CVCC 0 to valid 200 2000 μs C

= 2.2μF

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

_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

VHL

CVCC valid to 0.4V 100 500 μs C

=2.2μF

VLH

CVCC 0 to valid 100 1000 μs C

= 2.2μF

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

_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

VHL

CVCC valid to 0.4V 70 500 μs C

=2.2μF

VLH

CVCC 0 to valid 80 1000 μs C

= 2.2μF

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

_ovf

Card Supply Current Overflow:

ICCADJB = 0 (reset value)

70 120 200 mA

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