ST72589BW datasheet(139/158 Pages) STMICROELECTRONICS

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ST72589BW, ST72389BW

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9 ELECTRICAL CHARACTERISTICS

9.1 ABSOLUTE MAXIMUM RATINGS

This product contains devices to protect the inputs

against damage due to high static voltages, how-

ever it is advisable to take normal precaution to

avoid application of any voltage higher than the

specified maximum rated voltages.

For proper operation it is recommended that VI

and VO be higher than VSS and lower than VDD.

Reliability is enhanced if unused inputs are con-

nected to an appropriate logic voltage level (VDD

or VSS).

Power Considerations. The average chip-junc-

tion temperature, TJ, in Celsius can be obtained

from:

TJ =TA + PD x RthJA

Where:

TA =

Ambient Temperature.

RthJA =Package thermal resistance

(junction-to ambient).

PD =

PINT + PPORT.

PINT =IDD x VDD (chip internal power).

PPORT =Port power dissipation

determined by the user)

Note: Stresses above those listed as “absolute maximum ratings” may cause permanent damage to the device. This is

a stress rating only and functional operation of the device at these conditions is not implied. Exposure to maximum rating

conditions for extended periods may affect device reliability.

General Warning: Direct connection to VDD or VSS of the RESET and I/O pins could damage the device in case of un-

wanted internal reset generation or program counter corruption (due to unwanted change of the I/O configuration). To

guarantee safe conditions, this connection has to be done through a typical 10K

Ω pull-up or pull-down resistor.

Thermal Characteristics

Symbol

Ratings

Value

Unit

VDD - VSS

Supply Voltage

6.5

VDDA - VSSA

Analog Reference Voltage

VDDA > VSS

6.5

VLCD

Max. Display Voltage

10.5

|VDD_i - VDD_j|

|VDD_i - VDDA|

Max. variations (Power Line)

|VSS_i - VSS_j|

|VSS_i - VSSA|

|GLCD - VSS_i|

Max. variations (Ground Line)

VIN

Input Voltage

VSS - 0.3 to VDD + 0.3

VOUT

Output Voltage

VSS - 0.3 to VDD + 0.3

ESD

ESD susceptibility

2000

IVDD_i

Total current into VDD_i (source)

IVSS_i

Total current out of VSS_i (sink)

IINJ

Total injected current

+/- 5

Symbol

Ratings

Value

Unit

RthJA

Package thermal resistance

PQFP128

EQFP128

°C/W

TJmax

Max. Junction Temperature

150

°C

TSTG

Storage Temperature Range

-65 to +150

°C

Power Dissipation

500

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