Rainbow-electronics T89C51AC2 Manual de usuario descargar pdf (Pagina 94)

T89C51AC2

Rev. B – 19-Dec-01

18. Electrical Characteristics

18.1 Absolute Maximum

Ratings

(1)

18.2 DC Parameters for Standard Voltage

TA =-40°Cto+85°C; V

=0V;V

=5V± 10%; F = 0 to 40 MHz.

Table 57. DC Parameters in Standard Voltage

Ambiant Temperature Under Bias:

I = industrial.................................................-40°Cto85°C

Storage Temperature ............................-65°C to + 150°C

Voltage on V

from V

SS..........................................

-0.5 V to + 6V

Voltage on Any Pin from V

............-0.5 V to V

+0.2V

Power Dissipation................................................... 1 W

(2)

Symbol Parameter Min Typ

(5)

Max Unit Test Conditions

Input Low Voltage -0.5

0.2Vcc -

0.1

Input High Voltage except XTAL1,

RST

0.2 V

0.9

+0.5 V

IH1

Input High Voltage, XTAL1, RST 0.7 V

+0.5 V

Output Low Voltage, ports 1, 2, 3

and 4

(6)

0.3

0.45

1.0

= 100 µA

(4)

=1.6mA

(4)

=3.5mA

(4)

OL1

Output Low Voltage, port 0, ALE,

PSEN

(6)

0.3

0.45

1.0

= 200 µA

(4)

=3.2mA

(4)

=7.0mA

(4)

Output High Voltage, ports 1, 2, 3,

4and5

-0.3

-0.7

-1.5

=-10µA

=-30µA

=-60µA

=5V± 10%

OH1

Output High Voltage, port 0, ALE,

PSEN

-0.3

-0.7

-1.5

=-200µA

=-3.2mA

=-7.0mA

=5V± 10%

RST

RST Pulldown Resistor 20 40 200 kΩ

Logical 0 Input Current ports 1, 2,

3and4

-50 µAVin=0.45V

Input Leakage Current ±10 µA

0.45 V < Vin <

Note: Stresses at or above those listed under “Absolute Maximum

Ratings” may cause permanent damage to the device. This

is a stress rating only and functional operation of the device

at these or any other conditions above those indicated in

the operational sections of this specification is not implied.

Exposure to absolute maximum rating conditions may affect

device reliability.This value is based on the maximum allow-

able die temperature and the thermal resistance of the

package.

1 2 ... 89 90 91 92 93 94 95 96 97 98 99 ... 109 110

T89C51AC2 1

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