At83c26 – Rainbow Electronics AT83C26 User Manual

Page 67

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67

7511B–SCR–10/05

AT83C26

CI

CC

_ovf

Card Supply Current Overflow:

ICCADJA = 0 (reset value)

70

115

200

mA

Ripple on CVCC

60

200

mV

With low ESR capacitance

(0.1 Ohms max)

Spikes on CVCC

0.4

V

Vcardok up Vcardok high level threshold

3

V

Vcardok

down

Vcardok low level threshold

2.82

V

T

VHL

CVCC valid to 0.4V

100

400

μ

s

C

L

=10

μ

F

T

VLH

CVCC 0 to valid

300

2000

μ

s

C

L

= 10

μ

F

Table 51. Smart Card 1 Class B, 3V (CVCC1) (Continued)

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

Table 52. Smart Card 1 Class C, 1.8V (CVCC1)

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

CVCC

Smart card voltage

1.656

1.944

V

Load = 35mA

CI

CC

_ovf

Card Supply Current Overflow:

ICCADJA = 0 (reset value)

50

90

150

mA

Ripple on CVCC

20

200

mV

Spikes on CVCC

0.05

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

30

80

400

μ

s

C

L

=10

μ

F

T

VLH

CVCC 0 to valid

220

2000

μ

s

C

L

= 10

μ

F

Table 53. Smart Card 2 Class A, 5V (CVCC2)

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

CVCC

Smart card voltage

4.6

5

5.4

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

5

V

Vcardok down

Vcardok low level threshold

4.65

V

T

VHL

CVCC valid to 0.4V

150

500

μ

s

C

L

=2.2

μ

F

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