STM32F103CBU6 datasheet(38/105 Pages) STMICROELECTRONICS

38 / 105 page

Electrical characteristics

STM32F103x8, STM32F103xB

38/105

DocID13587 Rev 16

5.3

Operating conditions

5.3.1

General operating conditions

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 note 2. on page 77.

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: 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

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

°C

Table 9. General operating conditions

Symbol

Parameter

Conditions

Min

Max

Unit

fHCLK

Internal AHB clock frequency

MHz

fPCLK1

Internal APB1 clock frequency

fPCLK2

Internal APB2 clock frequency

VDD

Standard operating voltage

3.6

VDDA(1)

Analog operating voltage

(ADC not used)

Must be the same potential

as VDD(2)

23.6

Analog operating voltage

(ADC used)

2.4

3.6

VBAT

Backup operating voltage

1.8

3.6

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