STM32F107VC datasheet(33/95 Pages) STMICROELECTRONICS

33 / 95 page

STM32F105xx, STM32F107xx

Electrical characteristics

Doc ID 15274 Rev 4

33/95

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)

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

Input voltage on five volt tolerant pin(2)

2. IINJ(PIN) must never be exceeded (see Table 7: Current characteristics). This is implicitly insured if VIN

maximum is respected. If VIN maximum cannot be respected, the injection current must be limited

externally to the IINJ(PIN) value. A positive injection is induced by VIN> VINmax while a negative injection is

induced by VIN < VSS.

VSS / 0.3

+5.5

Input voltage on any other pin(2)

VSS /"0.3

VDD+0.3

|FVDDx|

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)

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)(3)

2. IINJ(PIN) must never be exceeded. This is implicitly insured if VIN maximum is respected. If VIN maximum

cannot be respected, the injection current must be limited externally to the IINJ(PIN) value. A positive

injection is induced by VIN > VDD while a negative injection is induced by VIN < VSS.

3. Negative injection disturbs the analog performance of the device. See note in Section 5.3.16: 12-bit ADC

characteristics.

Injected current on NRST pin

± 5

Injected current on HSE OSC_IN and LSE OSC_IN pins

± 5

Injected current on any other pin(4)

4. When several inputs are submitted to a current injection, the maximum UIINJ(PIN) is the absolute sum of the

positive and negative injected currents (instantaneous values). These results are based on

characterization with UIINJ(PIN) maximum current injection on four I/O port pins of the device.

± 5

INJ(PIN)

(2)

Total injected current (sum of all I/O and control pins)(4)

± 25

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