STM32F107RB datasheet(34/103 Pages) STMICROELECTRONICS

34 / 103 page

Electrical characteristics

STM32F105xx, STM32F107xx

34/104

Doc ID 15274 Rev 6

5.2

Absolute maximum ratings

Stresses above the absolute maximum ratings listed in Table 6: Voltage characteristics,

Table 7: Current characteristics, and Table 8: Thermal characteristics may cause permanent

damage to the device. These are stress ratings 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.

Table 6.

Voltage characteristics

Symbol

Ratings

Min

Max

Unit

VDD–VSS

External main supply voltage (including VDDA

and VDD)

(1)

All main power (VDD, VDDA) and ground (VSS, VSSA) pins must always be connected to the external power

supply, in the permitted range.

–0.3

4.0

VIN

(2)

VIN maximum must always be respected. Refer to Table 7: Current characteristics for the maximum

allowed injected current values.

Input voltage on five volt tolerant pin

VSS − 0.3

VDD + 4.0

Input voltage on any other pin

VSS − 0.3

4.0

ΔV

DDx|

Variations between different VDD power pins

|VSSX − VSS| Variations between all the different ground pins

VESD(HBM)

Electrostatic discharge voltage (human body

model)

see Section 5.3.11:

Absolute maximum ratings

(electrical sensitivity)

Table 7.

Current characteristics

Symbol

Ratings

Max.

Unit

IVDD

Total current into VDD/VDDA power lines (source)

(1)

All main power (VDD, VDDA) and ground (VSS, VSSA) pins must always be connected to the external power

supply, in the permitted range.

150

IVSS

Total current out of VSS ground lines (sink)

(1)

150

IIO

Output current sunk by any I/O and control pin

Output current source by any I/Os and control pin

− 25

IINJ(PIN)

(2)

Negative injection disturbs the analog performance of the device. See Note: on page 75.

Injected current on five volt tolerant pins(3)

Positive injection is not possible on these I/Os. A negative injection is induced by VIN<VSS. IINJ(PIN) must

never be exceeded. Refer to Table 6: Voltage characteristics for the maximum allowed input voltage

values.

-5/+0

Injected current on any other pin(4)

A positive injection is induced by VIN>VDD while a negative injection is induced by VIN<VSS. IINJ(PIN) must

never be exceeded. Refer to Table 6: Voltage characteristics for the maximum allowed input voltage

values.

± 5

ΣI

INJ(PIN)

Total injected current (sum of all I/O and control pins)(5)

When several inputs are submitted to a current injection, the maximum

ΣI

INJ(PIN) is the absolute sum of the

positive and negative injected currents (instantaneous values).

± 25

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