11

AT83C23OK

4307CS–SCR–03/07

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

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

Card Supply Current overflow

100

mA

Card Supply Voltage

1.68

1.92

V

CVcc to 0

750

μs

Cload=10µF, Lload=10µH

Vcard = CVcc to 0.4V

0 to CVcc

750

μs

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

Output Low Voltage

0.4

V

Output Low Current

15

mA

Output High Voltage

V

Output High Current

15

mA

Rise and Fall delays

14.5

15.5

32

ns

Voltage Stability

-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

Input Low Voltage

V

Input Low Current

500

μA

Input High Voltage

V

Input High Current

-20 / +20

μA

Output Low Voltage

V

External 10K pull-up tied to