ST92196A datasheet(223/268 Pages) STMICROELECTRONICS

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ELECTRICAL CHARACTERISTICS

9 ELECTRICAL CHARACTERISTICS

The ST92196A device contains circuitry to protect

the inputs against damage due to high static volt-

age or electric field. Nevertheless it is advised to

take normal precautions and to avoid applying to

this high impedance voltage circuit any voltage

higher than the maximum rated voltages. It is rec-

ommended for proper operation that VIN and VOUT

be constrained to the range.

VSS ≤ (VIN or VOUT) ≤ VDD

To enhance reliability of operation, it is recom-

mended to connect unused inputs to an appropri-

ate logic voltage level such as VSS or VDD.

All the voltages in the following table, are refer-

enced to VSS.

ABSOLUTE MAXIMUM RATINGS

*Current is limited to |<200

µA| into the pin

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.

RECOMMENDED OPERATING CONDITIONS

Note 1. 1MHz when A/D is used

Note 2. For good slicing results, it is advised to set VDDA >= 5.3V. Remember also that VDDA < VDD + 0.3V.

Symbol

Parameter

Value

Unit

VDD1,2

Supply Voltage

VSS – 0.3 to VSS + 7.0

VDDA

Analog Supply Voltage

VSS – 0.3 to VDD +0.3

Input Voltage

VSS – 0.3 to VDD +0.3

Input Voltage

VSS – 0.7 to VDD +0.7 *

Output Voltage

VSS – 0.3 to VDD +0.3

Output Voltage

VSS – 0.7 to VDD +0.7 *

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

Value

Unit

Min.

Max.

Operating Temperature

-10

°C

VDD

Operating Supply Voltage

4.5

5.5

VDDa

Analog Supply Voltage

4.5

5.5

fOSCE

External Oscillator Frequency

4.0

MHz

fINTCLK

Internal Clock Frequency

MHz

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