Rainbow-electronics AT89C5122 Bedienungsanleitung PDF herunterladen (Seite 190)

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

is mandatory

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

+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

CC_ovf

Card Supply Current overflow 100 mA

Card Supply Voltage 1.68 1.92 V CI

= 35 mA

OFF

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

(1)

0.4

0.15 CV

= 50 μA (5V until 2009)

= 100 μA (5V from 2009)

= 100 μA (3V & 1.8V)

Output Low Current 15 mA

Output High Voltage

-0,5

0.8 CV

= 50μA (+5V until 2009)

= 100 μA (+5V from 2009)

= 100 μA (+3V & 1.8V)

Output High Current 15 mA

Rise and Fall delays

4.5

15.5

=30pF (5V)

=30pF (3V)

=30pF (1.8V)

Voltage Stability -0.25

-0.5

0.4 CV

+ 0.25

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 0

(1)

0.2 CV

Input Low Current 500 μA

Input High Voltage 0.6 CV

Input High Current -20 / +20 μA

Output Low Voltage 0

(1)

0.15 CV

= 1mA (5V & 3V))

= 0.5 mA (1.8V)

External 10K pull-up tied to

1 2 ... 185 186 187 188 189 190 191 192 193 194 195 ... 212 213

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