ST7263 datasheet(93/109 Pages) STMICROELECTRONICS

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ST7263

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7 ELECTRICAL CHARACTERISTICS

7.1 ABSOLUTE MAXIMUM RATINGS

Devices of the ST 72 family contain circuitry to pro-

tect the inputs against damage due to high static

voltage or electric fields. Nevertheless, it is recom-

mended that normal precautions be observed in

order to avoid subjecting this high-impedance cir-

cuit to voltages above those quoted in the Abso-

lute Maximum Ratings. For proper operation, it is

recommended that the input voltage VIN be con-

strained within the range:

(VSS - 0.3V) ≤ VIN ≤ (VDD + 0.3V)

To enhance reliability of operation, it is recom-

mended to configure unused I/Os as inputs and to

connect them to an appropriate logic voltage level

such as VSS or VDD. it is also recommended to

connect VDDA and VDD together on application.

(same remark for VSSA and VSS).

All the voltage in the following tables are refer-

enced to VSS.

Stresses above those listed as “Absolute Maxi-

mum Ratings” may cause permanent damage to

the device. Functional operation of the device at

these conditions is not implied. Exposure to maxi-

mum rating conditions for extended periods may

affect device reliability.

Table 24. Absolute Maximum Ratings (Voltage Referenced to V

SS)

Symbol

Ratings

Value

Unit

VDD

Recommended Supply Voltage

- 0.3 to +6.0

VDDA

Analog Reference Voltage

- 0.3 to +6.0

|VDDA - VDD|

Max. variations on Power Line

|VSSA - VSS|

Max. variations on Ground Line

IVDD - IVSS

Total current into VDD/VSS

80/80

VIN

Input Voltage

VSS - 0.3 to VDD + 0.3

VOUT

Output Voltage

VSS - 0.3 to VDD + 0.3

Ambient Temperature Range

TL to TH

0 to + 70

°C

TSTG

Storage Temperature Range

-65 to +150

°C

Junction Temperature

150

°C

Power Dissipation

350

ESD

ESD susceptibility

2000

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