STV3550 datasheet(130/144 Pages) STMICROELECTRONICS

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STV3550

Electrical Characteristics

The STV3550 contains circuitry used to protect inputs against damage due to high static voltage or

electric fields. Nevertheless, it is recommended that normal precautions be observed in order to

avoid subjecting this high-impedance circuit to voltages above those quoted in the Absolute

Maximum Ratings. For proper operation, it is recommended that the input voltage VIN be

constrained within the range: (VSS - 0.3 V) ≤ VIN ≤ (VDD33_IO + 0.3 V)

To enhance reliability of operation, it is recommended 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 applications. (Same remark for VSSA and VSS).

All the voltages in the following tables are referenced to VSS.

Stresses greater than those listed as “Absolute Maximum Ratings” may cause permanent damage

to the device. Functional operation of the device at these conditions is not implied. Exposure to

maximum rating conditions for extended periods may affect device reliability.

9.1

Absolute Maximum Ratings

Note: 1 All voltages listed are referenced to ground (0 V, GND, VSS).

2 Voltage at input pins are 5 V tolerant, except for analog PIO pins.

3 Voltage at output pin configured in open-drain are 5 V tolerant.

4 Mininum guaranteed value.

Symbol

(Note 1)

Ratings

Value

Unit

VCC33_ADC

3.3 V Analog Voltage Supply for A/D Converter

3.8

VCC18_IO

1.8 V Analog Voltage Supply for PLL IOs

2.2

VCC18_PLL3

1.8 V Analog Voltage Supply for PLL 3

2.2

VCC18_PLL

1.8 V Analog Voltage Supply for PLL

2.2

VDD18_PLL1

1.8 V Analog Voltage Supply for PLL1

2.2

VDD33_IO

3.3 V Digital Voltage Supply

3.8

VDD18_CORE

1.8 V Digital Voltage Supply

2.2

VIMAX

Voltage on Input and Bi-directional pins (See Note 2)

VSS-0.3 to VDD33_IO+0.3

VOMAX

Voltage on Output pins (See Note 3)

VSS-0.3 to VDD33_IO+0.3

IOMAX

Output Current

ESD

ESD Susceptibility (Human Body Model: 100 pF capacitor discharged

through a 1.5 k

Ω serial resistor) (See Note 4)

2kV

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