STM32F103CBU6TR datasheet(37/116 Pages) STMICROELECTRONICS

37 / 116 page

DS5319 Rev 18

37/116

STM32F103x8, STM32F103xB

Electrical characteristics

115

5.2

Absolute maximum ratings

Stresses above the absolute maximum ratings listed in Table 6, Table 7, and Table 8 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(2)

2. VIN maximum must always be respected. Refer to Table 7 for the maximum allowed injected current

values.

Input voltage on 5 V tolerant pin

VSS  0.3 VDD  4.0

Input voltage on any other pin

VSS 0.3

4.0

VDDx|

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

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)

2. Negative injection disturbs the analog performance of the device. See footnote 2 of Table 48.

Injected current on five volt tolerant pins(3)

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 for the maximum allowed input voltage values.

-5/+0

Injected current on any other pin(4)

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 for the maximum allowed input voltage values.

± 5

IINJ(PIN)

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

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

IINJ(PIN) is the absolute sum of the

positive and negative injected currents (instantaneous values).

± 25

Table 8. Thermal characteristics

Symbol

Ratings

Value

Unit

TSTG

Storage temperature range

–65 to +150

°C

Maximum junction temperature

150

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