AT89C51ID2-RDTIM datasheet(140/159 Pages) ATMEL

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140

AT89C51ID2

4289A–8051–09/03

Electrical Characteristics

Absolute Maximum Ratings

DC Parameters

I = industrial ........................................................-40

°C to 85°C

Storage Temperature .................................... -65

°C to + 150°C

Voltage on VCC to VSS (standard voltage) .........-0.5V to + 6.5V

Voltage on V

CC to VSS (low voltage)..................-0.5V to + 4.5V

Voltage on Any Pin to V

SS..........................-0.5V to VCC + 0.5V

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

(2)

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 condi-

tions above those indicated in the operational

sections of this specification is not implied. Exposure

to absolute maximum rating conditions may affect

device reliability.

Power dissipation is based on the maximum allow-

able die temperature and the thermal resistance of

the package.

A = -40°C to +85°C; VSS = 0V; VCC =2.7V to 5.5V; F = 0 to 60 MHz

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

VIL

Input Low Voltage

-0.5

0.2 VCC - 0.1

VIH

Input High Voltage except RST, XTAL1

0.2 VCC + 0.9

VCC + 0.5

VIH1

Input High Voltage RST, XTAL1

0.7 VCC

VCC + 0.5

VOL

Output Low Voltage, ports 1, 2, 3, 4

(6)

0.3

0.45

1.0

VCC = 4.5V to 5.5V

IOL = 100 µA

(4)

IOL = 1.6 mA

(4)

IOL = 3.5 mA

(4)

0.45

VCC = 2.7V to 5.5V

IOL = 0.8 mA

(4)

VOL1

Output Low Voltage, port 0, ALE, PSEN

(6)

0.3

0.45

1.0

VCC = 4.5V to 5.5V

IOL = 200 µA

(4)

IOL = 3.2 mA

(4)

IOL = 7.0 mA

(4)

0.45

VCC = 2.7V to 5.5V

IOL = 1.6 mA

(4)

VOH

Output High Voltage, ports 1, 2, 3, 4

VCC - 0.3

VCC - 0.7

VCC - 1.5

VCC = 5V ± 10%

IOH = -10 µA

IOH = -30 µA

IOH = -60 µA

0.9 VCC

VCC = 2.7V to 5.5V

IOH = -10 µA

VOH1

Output High Voltage, port 0, ALE, PSEN

VCC - 0.3

VCC - 0.7

VCC - 1.5

VCC = 5V ± 10%

IOH = -200 µA

IOH = -3.2 mA

IOH = -7.0 mA

0.9 VCC

VCC = 2.7V to 5.5V

IOH = -10 µA

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