Smart card cclk, dc parameters, Smart card cio, dc parameters – Rainbow Electronics AT89C5122 User Manual

Page 190

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190

AT8xC5122/23

4202E–SCR–06/06

Notes:

1. Test conditions, Capacitor 10 µF, Inductance 10 µH.
2. Ceramic X7R, SMD type capacitor with minimum ESR or 250 m

Ω

is mandatory

Notes:

1. The voltage on CLK should remain between -0.3V and

V

CC

+0.3V during dynamic operation.

Card VCC 1.8V Power Supply (for IEC7816-3 Class C cards)

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

Vcc

Power Supply

3.0

5.5

V

CI

CC_ovf

Card Supply Current overflow

100

mA

CV

CC

Card Supply Voltage

1.68

1.92

V

CI

CC

= 35 mA

T

OFF

CVcc to 0

750

μ

s

Cload=10µF, Lload=10µH

Vcard = CVcc to 0.4V

T

ON

0 to CVcc

750

μ

s

Cload=10µF, Lload=10µH

Vcard = 0V to CVcc

With Boost at 60%

Smart Card CCLK, DC parameters

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

V

OL

Output Low Voltage

0

(1)

0.4

0.15 CV

CC

0.15 CV

CC

V

I

OH

= 50

μ

A (5V until 2009)

I

OH

= 100

μ

A (5V from 2009)

I

OH

= 100

μ

A (3V & 1.8V)

I

OL

Output Low Current

15

mA

V

OH

Output High Voltage

CV

CC

-0,5

0.8 CV

CC

0.8 CV

CC

CV

CC

V

I

OH

= 50

μ

A (+5V until 2009)

I

OH

= 100

μ

A (+5V from 2009)

I

OH

= 100

μ

A (+3V & 1.8V)

I

OH

Output High Current

15

mA

t

R

t

F

Rise and Fall delays

1

4.5

15.5

32

ns

C

IN

=30pF (5V)

C

IN

=30pF (3V)

C

IN

=30pF (1.8V)

Voltage Stability

-0.25

CV

CC

-0.5

0.4 CV

CC

CV

CC

+ 0.25

V

Low level

High level

Frequency variation

(Jitter) 1

%

Cycle ratio

45%

55%

Smart Card CIO, DC Parameters

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

V

IL

Input Low Voltage

0

(1)

0.2 CV

CC

V

I

IL

Input Low Current

500

μ

A

V

IH

Input High Voltage

0.6 CV

CC

CV

CC

V

I

IH

Input High Current

-20 / +20

μ

A

V

OL

Output Low Voltage

0

(1)

0.15 CV

CC

V

I

OL

= 1mA (5V & 3V))

I

OL

= 0.5 mA (1.8V)

External 10K pull-up tied to
CV

CC

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