ST90135 datasheet(174/190 Pages) STMICROELECTRONICS

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ST90158 - ELECTRICAL CHARACTERISTICS

10 ELECTRICAL CHARACTERISTICS

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 xVDD (chip internal power).

PPORT =Port power dissipation

determined by the user)

ABSOLUTE MAXIMUM RATINGS

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. All voltages are referenced to VSS

PACKAGE THERMAL CHARACTERISTICS

RECOMMENDED OPERATING CONDITIONS

Note 1. Operating temperature 0-70

°C

Note 2. 1MHz when A/D is used

Symbol

Parameter

Value

Unit

VDD

Supply Voltage

– 0.3 to 7.0

AVDD

A/D Converter Analog Reference

VDD -0.3 to VDD + 0.3

AVSS

A/D Converter VSS

VSS

Input Voltage

– 0.3 to VDD +0.3

VAIN

Analog Input Voltage (A/D Converter)

VSS -0.3 to VDD + 0.3

VSSA -0.3 to VDDA + 0.3

Output Voltage

– 0.3 to VDD +0.3

TSTG

Storage Temperature

– 55 to + 150

°C

IINJ

Pin Injection Current Digital and Analog Input

-5 to +5

Maximum Accumulated Pin injection Current in the device

-50 to +50

Symbol

Parameter

Package

Value

Unit

RthJA

Thermal junction to ambient

TQFP80

°C/W

PQFP80

Symbol

Parameter

Value

Unit

Min.

Max.

Operating Temperature

-40

°C

VDD

Operating Supply Voltage (ROM)

Operating Supply Voltage (OTP)

Operating Supply Voltage (OTP Low Voltage version)

2.7

4.5

2.85(1)

5.5

3.15(1)

fINTCLK

Internal Clock Frequency @ 4.5V - 5.5V

Internal Clock Frequency @ 2.7V - 3.3V (ROM)

Internal Clock Frequency @ 2.85V - 3.15V (OTP Low Voltage version)

0(2)

MHz

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