Rainbow-electronics AT89C5122 Bedienungsanleitung PDF herunterladen (Seite 191)

191

AT8xC5122/23

4202E–SCR–06/06

Note: 1. The voltage on RST should remain between -0.3V and V

+0.3V during dynamic operation.

Note: 1. The voltage on RST should remain between -0.3V and

+0.3V during dynamic operation.

Output Low Current 15 mA

Output High Voltage 0.8 CV

(1) V

= 20 μA

External 10K pull-up

resistor tied to CV

Output High Current 15 mA

Voltage Stability

-0.25

0.8 CV

0.4

+ 0.25

V Low level

High level

Rise and Fall delays 0.8 μsC

=30pF.

Smart Card RST, CC4, CC8, DC Parameters

Symbol Parameter Min Typ Max Unit Test Conditions

Output Low Voltage 0

(1)

0.4

0.12 CV

= 50 μΑ (5V until 2009)

= 200 μΑ (5V from 2009)

= 200 μΑ (3V & 1.8V)

Output Low Current 15 mA

Output High Voltage

-05

0.8 CV

(1)

= 50 μΑ (+5V until 2009)

= 150 μΑ (+5V from 2009)

= 150 μΑ (+3V & 1.8V)

Output High Current 15 mA

Rise and Fall delays 0.8 μsC

=30 pF

Voltage Stability -0.25

-0.5

0.4 CV

+ 0.25

Low level

High level

Smart Card CIO, DC Parameters

Symbol Parameter Min Typ Max Unit Test Conditions

Card Presence (P1.2) DC Parameters

Symbol Parameter Min Typ Max Unit Test Conditions

OL1

CPRES weak pull-up output current 3 10 25 μA

P1.2=1, short to VSS

Pull-up enabled

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