ST92F120 datasheet(287/324 Pages) STMICROELECTRONICS

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ST92F120 - ELECTRICAL CHARACTERISTICS

11 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 precautions to

avoid application of any voltage higher than the

specified maximum rated voltages.

For proper operation it is recommended that VIN

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)

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=0.

THERMAL CHARACTERISTICS

RECOMMENDED OPERATING CONDITIONS

Note:

(1) 1MHz when A/D or JBLPD is used, 2.6MHz when I²C is used.

Symbol

Parameter

Value

Unit

VDD

Supply Voltage

– 0.3 to 6.5

AVDD

A/D Converter Analog Reference

VDD – 0.3 to VDD + 0.3

AVSS

A/D Converter VSS

VSS

VIN

Input Voltage (standard I/O pins)

– 0.3 to VDD + 0.3

VINOD

Input Voltage (open drain I/O pins)

– 0.3 to 6.5

VAIN

Analog Input Voltage (A/D Converter)

AVSS to AVDD

TSTG

Storage Temperature

– 55 to +150

°C

IINJ

Pin Injection Current - Digital and Analog Input

±10

Maximum Accumulated Pin injection Current in the device

±100

ESD

ESD Susceptibility

2000

Symbol

Package

Value

Unit

RthJA

PQFP100

°C/W

Symbol

Parameter

Value

Unit

Min

Max

Operating Temperature

–40

105

°C

VDD

Operating Supply Voltage

4.5

5.5

AVDD

Analog Supply Voltage

VDD - 0.3

VDD + 0.3

fINTCLK

Internal Clock Frequency @ 4.5V - 5.5V

0(1)

MHz

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