ST10F280 datasheet(155/186 Pages) STMICROELECTRONICS

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ST10F280

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20 - ELECTRICAL CHARACTERISTICS

20.1 - Absolute Maximum Ratings

Note: 1. Stresses 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 for extended periods may affect device reliability.

During overload conditions (VIN > VDD or VIN < VSS) the voltage on pins with respect to ground (VSS) must not exceed the values

defined by the Absolute Maximum Ratings.

20.2 - Parameter Interpretation

The parameters listed in the following tables represent the characteristics of the ST10F280 and its

demands on the system. Where the ST10F280 logic provides signals with their respective timing

characteristics, the symbol “CC” for Controller Characteristics, is included in the “Symbol” column.

Where the external system must provide signals with their respective timing characteristics to the

ST10F280, the symbol “SR” for System Requirement, is included in the “Symbol” column.

20.3 - DC Characteristics

VDD = 5V ± 10%, VSS = 0V, fCPU = 40MHz, Reset active, TA = -40 to +125°C

Symbol

Parameter

Value

Unit

VDD

Voltage on VDD pins with respect to ground

-0.5, +6.5

VIO

Voltage on any pin with respect to ground1

-0.5, (VDD +0.5)

VAREF

Voltage on VAREF pin with respect to ground

-0.3, (VDD +0.3)

IOV

Input Current on any pin during overload condition1

-10, +10

ITOV

Absolute Sum of all input currents during overload condition1

|100 mA|

Ptot

Power Dissipation1

1.5

Ambient Temperature under bias

-40, +125

°C

Tstg

Storage Temperature1

-65, +150

°C

Symbol

Parameter

Test

Conditions

Min.

Max.

Unit

VIL

SR Input low voltage

–

-0.5

0.2 VDD - 0.1

VILS

SR Input low voltage (special threshold)

–

-0.5

2.0

VIH

Input high voltage

(all except RSTIN and XTAL1)

–

0.2 VDD +

0.9

VDD + 0.5

VIH1

SR Input high voltage RSTIN

–

0.6 VDD

VDD + 0.5

VIH2

SR Input high voltage XTAL1

–

0.7 VDD

VDD + 0.5

VIHS

SR Input high voltage (special threshold)

–

0.8 VDD - 0.2

VDD + 0.5

HYS

Input Hysteresis (special threshold)

–

400

–

VOL

CC Output low voltage (PORT0, PORT1, Port 4,

ALE, RD, WR, BHE, CLKOUT, RSTOUT)

IOL = 2.4mA

–

0.45

VOL1

CC Output low voltage (all other outputs)

IOL1 = 1.6mA

–

0.45

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