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Rainbow Electronics AT90LS4433 User Manual

Page 107

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107

AT90S/LS4433

1042G–AVR–09/02

Figure 81. Watchdog Oscillator Frequency vs. V

CC

Sink and source capabilities of I/O ports are measured on one pin at a time.

Figure 82. Pull-up Resistor Current vs. Input Voltage

0

200

400

600

800

1000

1200

1400

1600

2

2.5

3

3.5

4

4.5

5

5.5

6

T

A

= 85˚C

T

A

= 25˚C

WATCHDOG OSCILLATOR FREQUENCY vs. V

CC

V

CC

(V)

F

RC

(kHz)

0

20

40

60

80

100

120

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE

V

CC

= 5V

I

OP

(µA)

V

OP

(V)

T

A

= 85˚C

T

A

= 25˚C