COM20051 datasheet(72/82 Pages) SMSC

72 / 82 page

OPERATIONAL DESCRIPTION

MAXIMUM GUARANTEED RATINGS*

Operating Temperature Range ....................................................................................... 0oC to +70oC

Storage Temperature Range ..................................................................................... -55oC to +150oC

Lead Temperature (soldering, 10 seconds) .............................................................................. +325 oC

Positive Voltage on any pin, with respect to ground .............................................................. VCC+0.5V

Negative Voltage on any pin, with respect to ground ..................................................................... -0.5V

Maximum VCC .............................................................................................................................. +7V

*Stresses above those listed may cause permanent damage to the device. This is a stress rating only

and functional operation of the device at these or any other condition above those indicated in the

operational sections of this specification is not implied.

NOTE: When powering this device from laboratory or system power supplies, it is important that the

Absolute Maximum Ratings not be exceeded or device failure can result. Some power supplies exhibit

voltage spikes or "glitches" on their outputs when the AC power is switched on or off. In addition,

voltage transients on the AC power line may appear on the DC output. If this possibility exists it is

suggested that a clamp circuit be used.

DC ELECTRICAL CHARACTERISTICS (TA = 0 C - 70 C, VCC = 5.0V ± 10%, VSS = 0V)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

COMMENT

Low Output Voltage

(Ports 1, 2 and 3,

ALE, PSEN)

0.3

0.45

1.0

= 100 A

= 1.6 mA

= 3.5 mA

Low Output Voltage

(Port 0)

OL1

0.3

0.45

1.0

= 200 A

= 3.2 mA

= 7.0 mA

High Output Voltage

(Ports 1, 2 and 3,

ALE, PSEN)

-0.3

-0.7

-1.5

= -10 A

= -30 A

= -60 A

High Output Voltage

(Port 0 in External

Bus

Mode)

OH1

-0.3

-0.7

-1.5

= -200 A

= -3.2 mA

= -7.0 mA

Input Leakage Current

.02 A

±10

µA

0<V

RST Pulldown

Resistor

RRST

50K

Ω

Pin Capacitance

CIO

Power Supply Current

Low Input Voltage

(XTAL1)

IL2

1.0

COM20051 Datasheet(PDF) 72 Page - SMSC Corporation

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