STM32F334X4 datasheet(48/115 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F334x4 STM32F334x6 STM32F334x8

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DocID025409 Rev 5

Table 17. Current characteristics

Symbol

Ratings

Max.

Unit

ΣIVDD

Total current into sum of all VDD_x power lines (source)(1)

140

ΣIVSS

Total current out of sum of all VSS_x ground lines (sink)(1)

-140

IVDD

Maximum current into each VDD_x power line (source)(1)

100

IVSS

Maximum current out of each VSS _x ground line (sink)(1)

100

IIO(PIN)

Output current sunk by any I/O and control pin

Output current source by any I/O and control pin

-25

ΣIIO(PIN)

Total output current sunk by sum of all I/Os and control pins(2)

Total output current sourced by sum of all I/Os and control pins(2)

-80

IINJ(PIN)

Injected current on TT, FT, FTf and B pins(3)

-5 /+0

Injected current on TC and RST pin(4)

±5

Injected current on TTa pins(5)

±5

ΣIINJ(PIN)

Total injected current (sum of all I/O and control pins)(6)

±25

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

permitted range.

2. This current consumption must be correctly distributed over all I/Os and control pins.The total output current must not be

sunk/sourced between two consecutive power supply pins referring to high pin count LQFP packages.

3. Positive injection is not possible on these I/Os and does not occur for input voltages lower than the specified maximum

value.

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 16: Voltage characteristics for the maximum allowed input voltage values.

5. A positive injection is induced by VIN > VDDA while a negative injection is induced by VIN< VSS. IINJ(PIN) must never be

exceeded. Refer also to Table 16: Voltage characteristics for the maximum allowed input voltage values. Negative injection

disturbs the analog performance of the device. See note 2. below Table 64.

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

ΣIINJ(PIN) is the absolute sum of the positive and

negative injected currents (instantaneous values).

Table 18. Thermal characteristics

Symbol

Ratings

Value

Unit

TSTG

Storage temperature range

–65 to +150

°C

Maximum junction temperature

150

°C

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